Home / 291,371,812.60-437,057,718.90-75,961,060.60

Finding the Fourth Proportional to 291,371,812.60, 437,057,718.90 and 75,961,060.60

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Solution

The fourth proportional to 291,371,812.60, 437,057,718.90 and 75,961,060.60 is: 113,941,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,371,812.60 : 437,057,718.90 = 75,961,060.60 : x
  2. Step 2: Convert to fraction form
    291,371,812.60/437,057,718.90 = 75,961,060.60/x
  3. Step 3: Cross multiply
    291,371,812.60x = 437,057,718.90 × 75,961,060.60
  4. Step 4: Simplify right side
    291,371,812.60x = 33,199,367,871,060,660
  5. Step 5: Solve for x
    x = 33,199,367,871,060,660/291,371,812.60
  6. Step 6: Final answer
    x = 113,941,590.90

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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.