Home / 124,497,210.40-186,745,815.60-81,499,040.80

Finding the Fourth Proportional to 124,497,210.40, 186,745,815.60 and 81,499,040.80

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Solution

The fourth proportional to 124,497,210.40, 186,745,815.60 and 81,499,040.80 is: 122,248,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,497,210.40 : 186,745,815.60 = 81,499,040.80 : x
  2. Step 2: Convert to fraction form
    124,497,210.40/186,745,815.60 = 81,499,040.80/x
  3. Step 3: Cross multiply
    124,497,210.40x = 186,745,815.60 × 81,499,040.80
  4. Step 4: Simplify right side
    124,497,210.40x = 15,219,604,844,813,676
  5. Step 5: Solve for x
    x = 15,219,604,844,813,676/124,497,210.40
  6. Step 6: Final answer
    x = 122,248,561.20

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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.