Home / 221,335,333.60-332,003,000.40-77,728,165.60

Finding the Fourth Proportional to 221,335,333.60, 332,003,000.40 and 77,728,165.60

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Solution

The fourth proportional to 221,335,333.60, 332,003,000.40 and 77,728,165.60 is: 116,592,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,335,333.60 : 332,003,000.40 = 77,728,165.60 : x
  2. Step 2: Convert to fraction form
    221,335,333.60/332,003,000.40 = 77,728,165.60/x
  3. Step 3: Cross multiply
    221,335,333.60x = 332,003,000.40 × 77,728,165.60
  4. Step 4: Simplify right side
    221,335,333.60x = 25,805,984,194,788,064
  5. Step 5: Solve for x
    x = 25,805,984,194,788,064/221,335,333.60
  6. Step 6: Final answer
    x = 116,592,248.40

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1.5x scale

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.