Home / 108,645,411.60-162,968,117.40-83,136,243.60

Finding the Fourth Proportional to 108,645,411.60, 162,968,117.40 and 83,136,243.60

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Solution

The fourth proportional to 108,645,411.60, 162,968,117.40 and 83,136,243.60 is: 124,704,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645,411.60 : 162,968,117.40 = 83,136,243.60 : x
  2. Step 2: Convert to fraction form
    108,645,411.60/162,968,117.40 = 83,136,243.60/x
  3. Step 3: Cross multiply
    108,645,411.60x = 162,968,117.40 × 83,136,243.60
  4. Step 4: Simplify right side
    108,645,411.60x = 13,548,557,107,199,798
  5. Step 5: Solve for x
    x = 13,548,557,107,199,798/108,645,411.60
  6. Step 6: Final answer
    x = 124,704,365.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.