Home / 99,506,117.10-149,259,175.65-90,896,772.90

Finding the Fourth Proportional to 99,506,117.10, 149,259,175.65 and 90,896,772.90

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Solution

The fourth proportional to 99,506,117.10, 149,259,175.65 and 90,896,772.90 is: 136,345,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,506,117.10 : 149,259,175.65 = 90,896,772.90 : x
  2. Step 2: Convert to fraction form
    99,506,117.10/149,259,175.65 = 90,896,772.90/x
  3. Step 3: Cross multiply
    99,506,117.10x = 149,259,175.65 × 90,896,772.90
  4. Step 4: Simplify right side
    99,506,117.10x = 13,567,177,392,299,262
  5. Step 5: Solve for x
    x = 13,567,177,392,299,262/99,506,117.10
  6. Step 6: Final answer
    x = 136,345,159.35

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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.