Home / 83,719,323.72-115,506,700.92-48,886,887.24

Finding the Fourth Proportional to 83,719,323.72, 115,506,700.92 and 48,886,887.24

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Solution

The fourth proportional to 83,719,323.72, 115,506,700.92 and 48,886,887.24 is: 67,448,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,719,323.72 : 115,506,700.92 = 48,886,887.24 : x
  2. Step 2: Convert to fraction form
    83,719,323.72/115,506,700.92 = 48,886,887.24/x
  3. Step 3: Cross multiply
    83,719,323.72x = 115,506,700.92 × 48,886,887.24
  4. Step 4: Simplify right side
    83,719,323.72x = 5,646,763,063,340,445
  5. Step 5: Solve for x
    x = 5,646,763,063,340,445/83,719,323.72
  6. Step 6: Final answer
    x = 67,448,741.97

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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.