Home / 83,565,764.95-115,240,612.51-53,765,998.20

Finding the Fourth Proportional to 83,565,764.95, 115,240,612.51 and 53,765,998.20

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Solution

The fourth proportional to 83,565,764.95, 115,240,612.51 and 53,765,998.20 is: 74,145,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,565,764.95 : 115,240,612.51 = 53,765,998.20 : x
  2. Step 2: Convert to fraction form
    83,565,764.95/115,240,612.51 = 53,765,998.20/x
  3. Step 3: Cross multiply
    83,565,764.95x = 115,240,612.51 × 53,765,998.20
  4. Step 4: Simplify right side
    83,565,764.95x = 6,196,026,564,779,558
  5. Step 5: Solve for x
    x = 6,196,026,564,779,558/83,565,764.95
  6. Step 6: Final answer
    x = 74,145,513.64

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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.