Home / 90,697,818.56-136,125,341.76-47,597,472.32

Finding the Fourth Proportional to 90,697,818.56, 136,125,341.76 and 47,597,472.32

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Solution

The fourth proportional to 90,697,818.56, 136,125,341.76 and 47,597,472.32 is: 71,437,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,697,818.56 : 136,125,341.76 = 47,597,472.32 : x
  2. Step 2: Convert to fraction form
    90,697,818.56/136,125,341.76 = 47,597,472.32/x
  3. Step 3: Cross multiply
    90,697,818.56x = 136,125,341.76 × 47,597,472.32
  4. Step 4: Simplify right side
    90,697,818.56x = 6,479,222,186,472,140
  5. Step 5: Solve for x
    x = 6,479,222,186,472,140/90,697,818.56
  6. Step 6: Final answer
    x = 71,437,464.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.