Home / 99,221,742-148,852,479.06-55,564,585.04

Finding the Fourth Proportional to 99,221,742, 148,852,479.06 and 55,564,585.04

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Solution

The fourth proportional to 99,221,742, 148,852,479.06 and 55,564,585.04 is: 83,358,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,221,742 : 148,852,479.06 = 55,564,585.04 : x
  2. Step 2: Convert to fraction form
    99,221,742/148,852,479.06 = 55,564,585.04/x
  3. Step 3: Cross multiply
    99,221,742x = 148,852,479.06 × 55,564,585.04
  4. Step 4: Simplify right side
    99,221,742x = 8,270,926,231,144,189
  5. Step 5: Solve for x
    x = 8,270,926,231,144,189/99,221,742
  6. Step 6: Final answer
    x = 83,358,002.64

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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.