Home / 83,661,802.59-115,331,606.13-58,465,687.05

Finding the Fourth Proportional to 83,661,802.59, 115,331,606.13 and 58,465,687.05

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Solution

The fourth proportional to 83,661,802.59, 115,331,606.13 and 58,465,687.05 is: 80,597,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,661,802.59 : 115,331,606.13 = 58,465,687.05 : x
  2. Step 2: Convert to fraction form
    83,661,802.59/115,331,606.13 = 58,465,687.05/x
  3. Step 3: Cross multiply
    83,661,802.59x = 115,331,606.13 × 58,465,687.05
  4. Step 4: Simplify right side
    83,661,802.59x = 6,742,941,590,970,441
  5. Step 5: Solve for x
    x = 6,742,941,590,970,441/83,661,802.59
  6. Step 6: Final answer
    x = 80,597,613.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.