Home / 147,501,830.70-221,386,590.45-74,769,209.10

Finding the Fourth Proportional to 147,501,830.70, 221,386,590.45 and 74,769,209.10

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Solution

The fourth proportional to 147,501,830.70, 221,386,590.45 and 74,769,209.10 is: 112,221,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501,830.70 : 221,386,590.45 = 74,769,209.10 : x
  2. Step 2: Convert to fraction form
    147,501,830.70/221,386,590.45 = 74,769,209.10/x
  3. Step 3: Cross multiply
    147,501,830.70x = 221,386,590.45 × 74,769,209.10
  4. Step 4: Simplify right side
    147,501,830.70x = 16,552,900,273,292,110
  5. Step 5: Solve for x
    x = 16,552,900,273,292,110/147,501,830.70
  6. Step 6: Final answer
    x = 112,221,659.86

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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.