Home / 240,543,128.55-360,867,836.91-87,185,199.18

Finding the Fourth Proportional to 240,543,128.55, 360,867,836.91 and 87,185,199.18

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Solution

The fourth proportional to 240,543,128.55, 360,867,836.91 and 87,185,199.18 is: 130,797,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,543,128.55 : 360,867,836.91 = 87,185,199.18 : x
  2. Step 2: Convert to fraction form
    240,543,128.55/360,867,836.91 = 87,185,199.18/x
  3. Step 3: Cross multiply
    240,543,128.55x = 360,867,836.91 × 87,185,199.18
  4. Step 4: Simplify right side
    240,543,128.55x = 31,462,334,237,290,380
  5. Step 5: Solve for x
    x = 31,462,334,237,290,380/240,543,128.55
  6. Step 6: Final answer
    x = 130,797,060.92

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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.