Home / 149,353,603.80-224,030,405.70-87,879,658.20

Finding the Fourth Proportional to 149,353,603.80, 224,030,405.70 and 87,879,658.20

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Solution

The fourth proportional to 149,353,603.80, 224,030,405.70 and 87,879,658.20 is: 131,819,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,353,603.80 : 224,030,405.70 = 87,879,658.20 : x
  2. Step 2: Convert to fraction form
    149,353,603.80/224,030,405.70 = 87,879,658.20/x
  3. Step 3: Cross multiply
    149,353,603.80x = 224,030,405.70 × 87,879,658.20
  4. Step 4: Simplify right side
    149,353,603.80x = 19,687,715,479,323,332
  5. Step 5: Solve for x
    x = 19,687,715,479,323,332/149,353,603.80
  6. Step 6: Final answer
    x = 131,819,487.30

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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.