Home / 73,543,142.64-101,486,261.70-42,158,692.20

Finding the Fourth Proportional to 73,543,142.64, 101,486,261.70 and 42,158,692.20

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Solution

The fourth proportional to 73,543,142.64, 101,486,261.70 and 42,158,692.20 is: 58,177,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,543,142.64 : 101,486,261.70 = 42,158,692.20 : x
  2. Step 2: Convert to fraction form
    73,543,142.64/101,486,261.70 = 42,158,692.20/x
  3. Step 3: Cross multiply
    73,543,142.64x = 101,486,261.70 × 42,158,692.20
  4. Step 4: Simplify right side
    73,543,142.64x = 4,278,528,069,538,949
  5. Step 5: Solve for x
    x = 4,278,528,069,538,949/73,543,142.64
  6. Step 6: Final answer
    x = 58,177,117.76

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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.