Home / 99,877,506.30-149,656,827.15-83,615,411.70

Finding the Fourth Proportional to 99,877,506.30, 149,656,827.15 and 83,615,411.70

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Solution

The fourth proportional to 99,877,506.30, 149,656,827.15 and 83,615,411.70 is: 125,289,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,877,506.30 : 149,656,827.15 = 83,615,411.70 : x
  2. Step 2: Convert to fraction form
    99,877,506.30/149,656,827.15 = 83,615,411.70/x
  3. Step 3: Cross multiply
    99,877,506.30x = 149,656,827.15 × 83,615,411.70
  4. Step 4: Simplify right side
    99,877,506.30x = 12,513,617,215,862,988
  5. Step 5: Solve for x
    x = 12,513,617,215,862,988/99,877,506.30
  6. Step 6: Final answer
    x = 125,289,644.08

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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.