Home / 81,480,482.91-112,739,154.06-71,048,252.94

Finding the Fourth Proportional to 81,480,482.91, 112,739,154.06 and 71,048,252.94

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Solution

The fourth proportional to 81,480,482.91, 112,739,154.06 and 71,048,252.94 is: 98,304,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,480,482.91 : 112,739,154.06 = 71,048,252.94 : x
  2. Step 2: Convert to fraction form
    81,480,482.91/112,739,154.06 = 71,048,252.94/x
  3. Step 3: Cross multiply
    81,480,482.91x = 112,739,154.06 × 71,048,252.94
  4. Step 4: Simplify right side
    81,480,482.91x = 8,009,919,933,896,508
  5. Step 5: Solve for x
    x = 8,009,919,933,896,508/81,480,482.91
  6. Step 6: Final answer
    x = 98,304,767.57

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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.