Home / 145,155,936.30-217,733,904.45-133,566,585.90

Finding the Fourth Proportional to 145,155,936.30, 217,733,904.45 and 133,566,585.90

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Solution

The fourth proportional to 145,155,936.30, 217,733,904.45 and 133,566,585.90 is: 200,349,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,936.30 : 217,733,904.45 = 133,566,585.90 : x
  2. Step 2: Convert to fraction form
    145,155,936.30/217,733,904.45 = 133,566,585.90/x
  3. Step 3: Cross multiply
    145,155,936.30x = 217,733,904.45 × 133,566,585.90
  4. Step 4: Simplify right side
    145,155,936.30x = 29,081,974,252,063,316
  5. Step 5: Solve for x
    x = 29,081,974,252,063,316/145,155,936.30
  6. Step 6: Final answer
    x = 200,349,878.85

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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.