Home / 145,125,251.64-200,272,809.42-79,935,155.64

Finding the Fourth Proportional to 145,125,251.64, 200,272,809.42 and 79,935,155.64

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Solution

The fourth proportional to 145,125,251.64, 200,272,809.42 and 79,935,155.64 is: 110,310,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,125,251.64 : 200,272,809.42 = 79,935,155.64 : x
  2. Step 2: Convert to fraction form
    145,125,251.64/200,272,809.42 = 79,935,155.64/x
  3. Step 3: Cross multiply
    145,125,251.64x = 200,272,809.42 × 79,935,155.64
  4. Step 4: Simplify right side
    145,125,251.64x = 16,008,838,191,447,758
  5. Step 5: Solve for x
    x = 16,008,838,191,447,758/145,125,251.64
  6. Step 6: Final answer
    x = 110,310,493.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.