Home / 129,605,335.04-194,510,145.28-56,872,319.76

Finding the Fourth Proportional to 129,605,335.04, 194,510,145.28 and 56,872,319.76

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Solution

The fourth proportional to 129,605,335.04, 194,510,145.28 and 56,872,319.76 is: 85,353,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,605,335.04 : 194,510,145.28 = 56,872,319.76 : x
  2. Step 2: Convert to fraction form
    129,605,335.04/194,510,145.28 = 56,872,319.76/x
  3. Step 3: Cross multiply
    129,605,335.04x = 194,510,145.28 × 56,872,319.76
  4. Step 4: Simplify right side
    129,605,335.04x = 11,062,243,178,928,214
  5. Step 5: Solve for x
    x = 11,062,243,178,928,214/129,605,335.04
  6. Step 6: Final answer
    x = 85,353,301.05

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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.