Home / 60,538,043.40-90,807,065.10-42,043,896.60

Finding the Fourth Proportional to 60,538,043.40, 90,807,065.10 and 42,043,896.60

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Solution

The fourth proportional to 60,538,043.40, 90,807,065.10 and 42,043,896.60 is: 63,065,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,538,043.40 : 90,807,065.10 = 42,043,896.60 : x
  2. Step 2: Convert to fraction form
    60,538,043.40/90,807,065.10 = 42,043,896.60/x
  3. Step 3: Cross multiply
    60,538,043.40x = 90,807,065.10 × 42,043,896.60
  4. Step 4: Simplify right side
    60,538,043.40x = 3,817,882,855,613,868.50
  5. Step 5: Solve for x
    x = 3,817,882,855,613,868.50/60,538,043.40
  6. Step 6: Final answer
    x = 63,065,844.90

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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.