Home / 70,762,129.29-97,655,757.48-42,513,142.86

Finding the Fourth Proportional to 70,762,129.29, 97,655,757.48 and 42,513,142.86

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Solution

The fourth proportional to 70,762,129.29, 97,655,757.48 and 42,513,142.86 is: 58,670,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,762,129.29 : 97,655,757.48 = 42,513,142.86 : x
  2. Step 2: Convert to fraction form
    70,762,129.29/97,655,757.48 = 42,513,142.86/x
  3. Step 3: Cross multiply
    70,762,129.29x = 97,655,757.48 × 42,513,142.86
  4. Step 4: Simplify right side
    70,762,129.29x = 4,151,653,168,848,753.50
  5. Step 5: Solve for x
    x = 4,151,653,168,848,753.50/70,762,129.29
  6. Step 6: Final answer
    x = 58,670,551.76

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Why These Related Problems?

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