Home / 82,746,171.60-124,190,116.20-36,758,810.40

Finding the Fourth Proportional to 82,746,171.60, 124,190,116.20 and 36,758,810.40

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Solution

The fourth proportional to 82,746,171.60, 124,190,116.20 and 36,758,810.40 is: 55,169,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746,171.60 : 124,190,116.20 = 36,758,810.40 : x
  2. Step 2: Convert to fraction form
    82,746,171.60/124,190,116.20 = 36,758,810.40/x
  3. Step 3: Cross multiply
    82,746,171.60x = 124,190,116.20 × 36,758,810.40
  4. Step 4: Simplify right side
    82,746,171.60x = 4,565,080,934,949,768
  5. Step 5: Solve for x
    x = 4,565,080,934,949,768/82,746,171.60
  6. Step 6: Final answer
    x = 55,169,693.61

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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.