Home / 140,617,597.16-194,053,836.04-77,894,655.86

Finding the Fourth Proportional to 140,617,597.16, 194,053,836.04 and 77,894,655.86

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Solution

The fourth proportional to 140,617,597.16, 194,053,836.04 and 77,894,655.86 is: 107,495,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,597.16 : 194,053,836.04 = 77,894,655.86 : x
  2. Step 2: Convert to fraction form
    140,617,597.16/194,053,836.04 = 77,894,655.86/x
  3. Step 3: Cross multiply
    140,617,597.16x = 194,053,836.04 × 77,894,655.86
  4. Step 4: Simplify right side
    140,617,597.16x = 15,115,756,776,648,664
  5. Step 5: Solve for x
    x = 15,115,756,776,648,664/140,617,597.16
  6. Step 6: Final answer
    x = 107,495,484.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.