Home / 124,440,133.60-186,660,200.40-78,523,631.20

Finding the Fourth Proportional to 124,440,133.60, 186,660,200.40 and 78,523,631.20

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Solution

The fourth proportional to 124,440,133.60, 186,660,200.40 and 78,523,631.20 is: 117,785,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,440,133.60 : 186,660,200.40 = 78,523,631.20 : x
  2. Step 2: Convert to fraction form
    124,440,133.60/186,660,200.40 = 78,523,631.20/x
  3. Step 3: Cross multiply
    124,440,133.60x = 186,660,200.40 × 78,523,631.20
  4. Step 4: Simplify right side
    124,440,133.60x = 14,657,236,735,927,694
  5. Step 5: Solve for x
    x = 14,657,236,735,927,694/124,440,133.60
  6. Step 6: Final answer
    x = 117,785,446.80

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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.