Home / 145,335,981.20-218,045,962.20-43,102,479.20

Finding the Fourth Proportional to 145,335,981.20, 218,045,962.20 and 43,102,479.20

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Solution

The fourth proportional to 145,335,981.20, 218,045,962.20 and 43,102,479.20 is: 64,666,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,335,981.20 : 218,045,962.20 = 43,102,479.20 : x
  2. Step 2: Convert to fraction form
    145,335,981.20/218,045,962.20 = 43,102,479.20/x
  3. Step 3: Cross multiply
    145,335,981.20x = 218,045,962.20 × 43,102,479.20
  4. Step 4: Simplify right side
    145,335,981.20x = 9,398,321,550,369,486
  5. Step 5: Solve for x
    x = 9,398,321,550,369,486/145,335,981.20
  6. Step 6: Final answer
    x = 64,666,171.95

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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.