Home / 77,652,597.70-107,162,828.18-42,847,530.04

Finding the Fourth Proportional to 77,652,597.70, 107,162,828.18 and 42,847,530.04

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Solution

The fourth proportional to 77,652,597.70, 107,162,828.18 and 42,847,530.04 is: 59,130,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,652,597.70 : 107,162,828.18 = 42,847,530.04 : x
  2. Step 2: Convert to fraction form
    77,652,597.70/107,162,828.18 = 42,847,530.04/x
  3. Step 3: Cross multiply
    77,652,597.70x = 107,162,828.18 × 42,847,530.04
  4. Step 4: Simplify right side
    77,652,597.70x = 4,591,662,499,613,909
  5. Step 5: Solve for x
    x = 4,591,662,499,613,909/77,652,597.70
  6. Step 6: Final answer
    x = 59,130,829.30

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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.