Home / 173,286,748-259,928,118.08-42,129,766.40

Finding the Fourth Proportional to 173,286,748, 259,928,118.08 and 42,129,766.40

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Solution

The fourth proportional to 173,286,748, 259,928,118.08 and 42,129,766.40 is: 63,194,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,286,748 : 259,928,118.08 = 42,129,766.40 : x
  2. Step 2: Convert to fraction form
    173,286,748/259,928,118.08 = 42,129,766.40/x
  3. Step 3: Cross multiply
    173,286,748x = 259,928,118.08 × 42,129,766.40
  4. Step 4: Simplify right side
    173,286,748x = 10,950,710,895,502,016
  5. Step 5: Solve for x
    x = 10,950,710,895,502,016/173,286,748
  6. Step 6: Final answer
    x = 63,194,162.40

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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.