Home / 218,023,459.20-326,736,590.40-177,712,675.20

Finding the Fourth Proportional to 218,023,459.20, 326,736,590.40 and 177,712,675.20

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Solution

The fourth proportional to 218,023,459.20, 326,736,590.40 and 177,712,675.20 is: 266,325,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,023,459.20 : 326,736,590.40 = 177,712,675.20 : x
  2. Step 2: Convert to fraction form
    218,023,459.20/326,736,590.40 = 177,712,675.20/x
  3. Step 3: Cross multiply
    218,023,459.20x = 326,736,590.40 × 177,712,675.20
  4. Step 4: Simplify right side
    218,023,459.20x = 58,065,233,565,710,632
  5. Step 5: Solve for x
    x = 58,065,233,565,710,632/218,023,459.20
  6. Step 6: Final answer
    x = 266,325,622.84

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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.