Home / 370,025,000.20-555,071,748.72-121,031,671.28

Finding the Fourth Proportional to 370,025,000.20, 555,071,748.72 and 121,031,671.28

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Solution

The fourth proportional to 370,025,000.20, 555,071,748.72 and 121,031,671.28 is: 181,558,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,025,000.20 : 555,071,748.72 = 121,031,671.28 : x
  2. Step 2: Convert to fraction form
    370,025,000.20/555,071,748.72 = 121,031,671.28/x
  3. Step 3: Cross multiply
    370,025,000.20x = 555,071,748.72 × 121,031,671.28
  4. Step 4: Simplify right side
    370,025,000.20x = 67,181,261,429,281,480
  5. Step 5: Solve for x
    x = 67,181,261,429,281,480/370,025,000.20
  6. Step 6: Final answer
    x = 181,558,709.26

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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.