Home / 71,901,718.00-107,681,377.89-45,913,521.40

Finding the Fourth Proportional to 71,901,718.00, 107,681,377.89 and 45,913,521.40

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Solution

The fourth proportional to 71,901,718.00, 107,681,377.89 and 45,913,521.40 is: 68,760,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,901,718.00 : 107,681,377.89 = 45,913,521.40 : x
  2. Step 2: Convert to fraction form
    71,901,718.00/107,681,377.89 = 45,913,521.40/x
  3. Step 3: Cross multiply
    71,901,718.00x = 107,681,377.89 × 45,913,521.40
  4. Step 4: Simplify right side
    71,901,718.00x = 4,944,031,248,036,974
  5. Step 5: Solve for x
    x = 4,944,031,248,036,974/71,901,718.00
  6. Step 6: Final answer
    x = 68,760,961.29

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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.