Home / 90,027,818.25-124,236,771.40-50,868,752.19

Finding the Fourth Proportional to 90,027,818.25, 124,236,771.40 and 50,868,752.19

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Solution

The fourth proportional to 90,027,818.25, 124,236,771.40 and 50,868,752.19 is: 70,197,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027,818.25 : 124,236,771.40 = 50,868,752.19 : x
  2. Step 2: Convert to fraction form
    90,027,818.25/124,236,771.40 = 50,868,752.19/x
  3. Step 3: Cross multiply
    90,027,818.25x = 124,236,771.40 × 50,868,752.19
  4. Step 4: Simplify right side
    90,027,818.25x = 6,319,769,536,829,978
  5. Step 5: Solve for x
    x = 6,319,769,536,829,978/90,027,818.25
  6. Step 6: Final answer
    x = 70,197,963.92

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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.