Home / 90,308,235.12-124,625,267.64-49,055,158.32

Finding the Fourth Proportional to 90,308,235.12, 124,625,267.64 and 49,055,158.32

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Solution

The fourth proportional to 90,308,235.12, 124,625,267.64 and 49,055,158.32 is: 67,696,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308,235.12 : 124,625,267.64 = 49,055,158.32 : x
  2. Step 2: Convert to fraction form
    90,308,235.12/124,625,267.64 = 49,055,158.32/x
  3. Step 3: Cross multiply
    90,308,235.12x = 124,625,267.64 × 49,055,158.32
  4. Step 4: Simplify right side
    90,308,235.12x = 6,113,512,234,752,573
  5. Step 5: Solve for x
    x = 6,113,512,234,752,573/90,308,235.12
  6. Step 6: Final answer
    x = 67,696,065.89

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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.