Home / 90,697,818.06-136,125,341.01-47,597,471.82

Finding the Fourth Proportional to 90,697,818.06, 136,125,341.01 and 47,597,471.82

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Solution

The fourth proportional to 90,697,818.06, 136,125,341.01 and 47,597,471.82 is: 71,437,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,697,818.06 : 136,125,341.01 = 47,597,471.82 : x
  2. Step 2: Convert to fraction form
    90,697,818.06/136,125,341.01 = 47,597,471.82/x
  3. Step 3: Cross multiply
    90,697,818.06x = 136,125,341.01 × 47,597,471.82
  4. Step 4: Simplify right side
    90,697,818.06x = 6,479,222,082,711,365
  5. Step 5: Solve for x
    x = 6,479,222,082,711,365/90,697,818.06
  6. Step 6: Final answer
    x = 71,437,463.67

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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.