Home / 108,872,425.80-163,551,941.10-90,956,521.80

Finding the Fourth Proportional to 108,872,425.80, 163,551,941.10 and 90,956,521.80

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Solution

The fourth proportional to 108,872,425.80, 163,551,941.10 and 90,956,521.80 is: 136,638,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,425.80 : 163,551,941.10 = 90,956,521.80 : x
  2. Step 2: Convert to fraction form
    108,872,425.80/163,551,941.10 = 90,956,521.80/x
  3. Step 3: Cross multiply
    108,872,425.80x = 163,551,941.10 × 90,956,521.80
  4. Step 4: Simplify right side
    108,872,425.80x = 14,876,115,696,094,464
  5. Step 5: Solve for x
    x = 14,876,115,696,094,464/108,872,425.80
  6. Step 6: Final answer
    x = 136,638,047.58

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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.