Home / 147,506,711.40-221,260,067.10-70,979,207.40

Finding the Fourth Proportional to 147,506,711.40, 221,260,067.10 and 70,979,207.40

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Solution

The fourth proportional to 147,506,711.40, 221,260,067.10 and 70,979,207.40 is: 106,468,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,506,711.40 : 221,260,067.10 = 70,979,207.40 : x
  2. Step 2: Convert to fraction form
    147,506,711.40/221,260,067.10 = 70,979,207.40/x
  3. Step 3: Cross multiply
    147,506,711.40x = 221,260,067.10 × 70,979,207.40
  4. Step 4: Simplify right side
    147,506,711.40x = 15,704,864,192,028,818
  5. Step 5: Solve for x
    x = 15,704,864,192,028,818/147,506,711.40
  6. Step 6: Final answer
    x = 106,468,811.10

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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.