Home / 125,172,032.20-187,758,048.30-79,255,529.80

Finding the Fourth Proportional to 125,172,032.20, 187,758,048.30 and 79,255,529.80

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Solution

The fourth proportional to 125,172,032.20, 187,758,048.30 and 79,255,529.80 is: 118,883,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,172,032.20 : 187,758,048.30 = 79,255,529.80 : x
  2. Step 2: Convert to fraction form
    125,172,032.20/187,758,048.30 = 79,255,529.80/x
  3. Step 3: Cross multiply
    125,172,032.20x = 187,758,048.30 × 79,255,529.80
  4. Step 4: Simplify right side
    125,172,032.20x = 14,880,863,592,230,490
  5. Step 5: Solve for x
    x = 14,880,863,592,230,490/125,172,032.20
  6. Step 6: Final answer
    x = 118,883,294.70

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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.