Home / 100,433,535.02-138,597,721.24-56,380,522.14

Finding the Fourth Proportional to 100,433,535.02, 138,597,721.24 and 56,380,522.14

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Solution

The fourth proportional to 100,433,535.02, 138,597,721.24 and 56,380,522.14 is: 77,804,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,433,535.02 : 138,597,721.24 = 56,380,522.14 : x
  2. Step 2: Convert to fraction form
    100,433,535.02/138,597,721.24 = 56,380,522.14/x
  3. Step 3: Cross multiply
    100,433,535.02x = 138,597,721.24 × 56,380,522.14
  4. Step 4: Simplify right side
    100,433,535.02x = 7,814,211,890,925,369
  5. Step 5: Solve for x
    x = 7,814,211,890,925,369/100,433,535.02
  6. Step 6: Final answer
    x = 77,804,807.82

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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.