Home / 99,221,539.64-148,852,176.21-55,564,382.84

Finding the Fourth Proportional to 99,221,539.64, 148,852,176.21 and 55,564,382.84

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Solution

The fourth proportional to 99,221,539.64, 148,852,176.21 and 55,564,382.84 is: 83,357,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,221,539.64 : 148,852,176.21 = 55,564,382.84 : x
  2. Step 2: Convert to fraction form
    99,221,539.64/148,852,176.21 = 55,564,382.84/x
  3. Step 3: Cross multiply
    99,221,539.64x = 148,852,176.21 × 55,564,382.84
  4. Step 4: Simplify right side
    99,221,539.64x = 8,270,879,304,755,320
  5. Step 5: Solve for x
    x = 8,270,879,304,755,320/99,221,539.64
  6. Step 6: Final answer
    x = 83,357,699.70

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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.