Home / 86,976,059.52-120,027,038.40-47,818,502.40

Finding the Fourth Proportional to 86,976,059.52, 120,027,038.40 and 47,818,502.40

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Solution

The fourth proportional to 86,976,059.52, 120,027,038.40 and 47,818,502.40 is: 65,989,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,976,059.52 : 120,027,038.40 = 47,818,502.40 : x
  2. Step 2: Convert to fraction form
    86,976,059.52/120,027,038.40 = 47,818,502.40/x
  3. Step 3: Cross multiply
    86,976,059.52x = 120,027,038.40 × 47,818,502.40
  4. Step 4: Simplify right side
    86,976,059.52x = 5,739,513,223,795,292
  5. Step 5: Solve for x
    x = 5,739,513,223,795,292/86,976,059.52
  6. Step 6: Final answer
    x = 65,989,575.24

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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.