Home / 131,736,405.10-197,462,890.05-49,823,632.30

Finding the Fourth Proportional to 131,736,405.10, 197,462,890.05 and 49,823,632.30

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Solution

The fourth proportional to 131,736,405.10, 197,462,890.05 and 49,823,632.30 is: 74,681,849.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736,405.10 : 197,462,890.05 = 49,823,632.30 : x
  2. Step 2: Convert to fraction form
    131,736,405.10/197,462,890.05 = 49,823,632.30/x
  3. Step 3: Cross multiply
    131,736,405.10x = 197,462,890.05 × 49,823,632.30
  4. Step 4: Simplify right side
    131,736,405.10x = 9,838,318,426,746,528
  5. Step 5: Solve for x
    x = 9,838,318,426,746,528/131,736,405.10
  6. Step 6: Final answer
    x = 74,681,849.86

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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.