Home / 129,059,104.60-193,588,656.90-118,855,437.40

Finding the Fourth Proportional to 129,059,104.60, 193,588,656.90 and 118,855,437.40

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Solution

The fourth proportional to 129,059,104.60, 193,588,656.90 and 118,855,437.40 is: 178,283,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,059,104.60 : 193,588,656.90 = 118,855,437.40 : x
  2. Step 2: Convert to fraction form
    129,059,104.60/193,588,656.90 = 118,855,437.40/x
  3. Step 3: Cross multiply
    129,059,104.60x = 193,588,656.90 × 118,855,437.40
  4. Step 4: Simplify right side
    129,059,104.60x = 23,009,064,491,528,028
  5. Step 5: Solve for x
    x = 23,009,064,491,528,028/129,059,104.60
  6. Step 6: Final answer
    x = 178,283,156.10

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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.