Home / 51,398,881.92-70,918,562.88-30,764,488.32

Finding the Fourth Proportional to 51,398,881.92, 70,918,562.88 and 30,764,488.32

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Solution

The fourth proportional to 51,398,881.92, 70,918,562.88 and 30,764,488.32 is: 42,447,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,398,881.92 : 70,918,562.88 = 30,764,488.32 : x
  2. Step 2: Convert to fraction form
    51,398,881.92/70,918,562.88 = 30,764,488.32/x
  3. Step 3: Cross multiply
    51,398,881.92x = 70,918,562.88 × 30,764,488.32
  4. Step 4: Simplify right side
    51,398,881.92x = 2,181,773,299,392,945.50
  5. Step 5: Solve for x
    x = 2,181,773,299,392,945.50/51,398,881.92
  6. Step 6: Final answer
    x = 42,447,874.70

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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.