Home / 100,529,574.18-138,742,045.92-60,858,962.88

Finding the Fourth Proportional to 100,529,574.18, 138,742,045.92 and 60,858,962.88

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Solution

The fourth proportional to 100,529,574.18, 138,742,045.92 and 60,858,962.88 is: 83,992,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,529,574.18 : 138,742,045.92 = 60,858,962.88 : x
  2. Step 2: Convert to fraction form
    100,529,574.18/138,742,045.92 = 60,858,962.88/x
  3. Step 3: Cross multiply
    100,529,574.18x = 138,742,045.92 × 60,858,962.88
  4. Step 4: Simplify right side
    100,529,574.18x = 8,443,697,022,540,535
  5. Step 5: Solve for x
    x = 8,443,697,022,540,535/100,529,574.18
  6. Step 6: Final answer
    x = 83,992,169.38

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1.5x scale

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.