Home / 82,746,173.60-124,190,119.20-36,758,812.40

Finding the Fourth Proportional to 82,746,173.60, 124,190,119.20 and 36,758,812.40

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Solution

The fourth proportional to 82,746,173.60, 124,190,119.20 and 36,758,812.40 is: 55,169,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746,173.60 : 124,190,119.20 = 36,758,812.40 : x
  2. Step 2: Convert to fraction form
    82,746,173.60/124,190,119.20 = 36,758,812.40/x
  3. Step 3: Cross multiply
    82,746,173.60x = 124,190,119.20 × 36,758,812.40
  4. Step 4: Simplify right side
    82,746,173.60x = 4,565,081,293,606,438
  5. Step 5: Solve for x
    x = 4,565,081,293,606,438/82,746,173.60
  6. Step 6: Final answer
    x = 55,169,696.62

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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.