Home / 57,309,025.60-85,963,538.40-51,038,459.20

Finding the Fourth Proportional to 57,309,025.60, 85,963,538.40 and 51,038,459.20

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Solution

The fourth proportional to 57,309,025.60, 85,963,538.40 and 51,038,459.20 is: 76,557,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309,025.60 : 85,963,538.40 = 51,038,459.20 : x
  2. Step 2: Convert to fraction form
    57,309,025.60/85,963,538.40 = 51,038,459.20/x
  3. Step 3: Cross multiply
    57,309,025.60x = 85,963,538.40 × 51,038,459.20
  4. Step 4: Simplify right side
    57,309,025.60x = 4,387,446,547,316,034
  5. Step 5: Solve for x
    x = 4,387,446,547,316,034/57,309,025.60
  6. Step 6: Final answer
    x = 76,557,688.80

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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.