Home / 70,008,937.10-105,013,405.65-60,435,125.90

Finding the Fourth Proportional to 70,008,937.10, 105,013,405.65 and 60,435,125.90

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Solution

The fourth proportional to 70,008,937.10, 105,013,405.65 and 60,435,125.90 is: 90,652,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008,937.10 : 105,013,405.65 = 60,435,125.90 : x
  2. Step 2: Convert to fraction form
    70,008,937.10/105,013,405.65 = 60,435,125.90/x
  3. Step 3: Cross multiply
    70,008,937.10x = 105,013,405.65 × 60,435,125.90
  4. Step 4: Simplify right side
    70,008,937.10x = 6,346,498,391,645,522
  5. Step 5: Solve for x
    x = 6,346,498,391,645,522/70,008,937.10
  6. Step 6: Final answer
    x = 90,652,688.85

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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.