Home / 97,103,428.60-145,655,142.90-39,564,333.40

Finding the Fourth Proportional to 97,103,428.60, 145,655,142.90 and 39,564,333.40

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Solution

The fourth proportional to 97,103,428.60, 145,655,142.90 and 39,564,333.40 is: 59,346,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,103,428.60 : 145,655,142.90 = 39,564,333.40 : x
  2. Step 2: Convert to fraction form
    97,103,428.60/145,655,142.90 = 39,564,333.40/x
  3. Step 3: Cross multiply
    97,103,428.60x = 145,655,142.90 × 39,564,333.40
  4. Step 4: Simplify right side
    97,103,428.60x = 5,762,748,635,120,243
  5. Step 5: Solve for x
    x = 5,762,748,635,120,243/97,103,428.60
  6. Step 6: Final answer
    x = 59,346,500.10

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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.