Home / 145,219,331.60-217,828,997.40-53,102,891.60

Finding the Fourth Proportional to 145,219,331.60, 217,828,997.40 and 53,102,891.60

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Solution

The fourth proportional to 145,219,331.60, 217,828,997.40 and 53,102,891.60 is: 79,654,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,331.60 : 217,828,997.40 = 53,102,891.60 : x
  2. Step 2: Convert to fraction form
    145,219,331.60/217,828,997.40 = 53,102,891.60/x
  3. Step 3: Cross multiply
    145,219,331.60x = 217,828,997.40 × 53,102,891.60
  4. Step 4: Simplify right side
    145,219,331.60x = 11,567,349,636,268,882
  5. Step 5: Solve for x
    x = 11,567,349,636,268,882/145,219,331.60
  6. Step 6: Final answer
    x = 79,654,337.40

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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.