Home / 133,506,512.46-199,900,973.12-84,720,228.66

Finding the Fourth Proportional to 133,506,512.46, 199,900,973.12 and 84,720,228.66

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Solution

The fourth proportional to 133,506,512.46, 199,900,973.12 and 84,720,228.66 is: 126,852,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,506,512.46 : 199,900,973.12 = 84,720,228.66 : x
  2. Step 2: Convert to fraction form
    133,506,512.46/199,900,973.12 = 84,720,228.66/x
  3. Step 3: Cross multiply
    133,506,512.46x = 199,900,973.12 × 84,720,228.66
  4. Step 4: Simplify right side
    133,506,512.46x = 16,935,656,151,659,312
  5. Step 5: Solve for x
    x = 16,935,656,151,659,312/133,506,512.46
  6. Step 6: Final answer
    x = 126,852,659.39

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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.