Home / 615,771,140.37-923,649,003.05-149,436,426.93

Finding the Fourth Proportional to 615,771,140.37, 923,649,003.05 and 149,436,426.93

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Solution

The fourth proportional to 615,771,140.37, 923,649,003.05 and 149,436,426.93 is: 224,152,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,771,140.37 : 923,649,003.05 = 149,436,426.93 : x
  2. Step 2: Convert to fraction form
    615,771,140.37/923,649,003.05 = 149,436,426.93/x
  3. Step 3: Cross multiply
    615,771,140.37x = 923,649,003.05 × 149,436,426.93
  4. Step 4: Simplify right side
    615,771,140.37x = 138,026,806,752,501,488
  5. Step 5: Solve for x
    x = 138,026,806,752,501,488/615,771,140.37
  6. Step 6: Final answer
    x = 224,152,769.92

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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.