Home / 93,301,431-128,740,031.55-54,134,229.30

Finding the Fourth Proportional to 93,301,431, 128,740,031.55 and 54,134,229.30

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Solution

The fourth proportional to 93,301,431, 128,740,031.55 and 54,134,229.30 is: 74,695,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,301,431 : 128,740,031.55 = 54,134,229.30 : x
  2. Step 2: Convert to fraction form
    93,301,431/128,740,031.55 = 54,134,229.30/x
  3. Step 3: Cross multiply
    93,301,431x = 128,740,031.55 × 54,134,229.30
  4. Step 4: Simplify right side
    93,301,431x = 6,969,242,388,016,934
  5. Step 5: Solve for x
    x = 6,969,242,388,016,934/93,301,431
  6. Step 6: Final answer
    x = 74,695,986.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.