Home / 123,829,043.20-185,743,564.80-83,014,374.40

Finding the Fourth Proportional to 123,829,043.20, 185,743,564.80 and 83,014,374.40

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Solution

The fourth proportional to 123,829,043.20, 185,743,564.80 and 83,014,374.40 is: 124,521,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,829,043.20 : 185,743,564.80 = 83,014,374.40 : x
  2. Step 2: Convert to fraction form
    123,829,043.20/185,743,564.80 = 83,014,374.40/x
  3. Step 3: Cross multiply
    123,829,043.20x = 185,743,564.80 × 83,014,374.40
  4. Step 4: Simplify right side
    123,829,043.20x = 15,419,385,830,697,864
  5. Step 5: Solve for x
    x = 15,419,385,830,697,864/123,829,043.20
  6. Step 6: Final answer
    x = 124,521,561.60

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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.