Home / 124,768,000.20-187,152,000.30-105,060,505.80

Finding the Fourth Proportional to 124,768,000.20, 187,152,000.30 and 105,060,505.80

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Solution

The fourth proportional to 124,768,000.20, 187,152,000.30 and 105,060,505.80 is: 157,590,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,768,000.20 : 187,152,000.30 = 105,060,505.80 : x
  2. Step 2: Convert to fraction form
    124,768,000.20/187,152,000.30 = 105,060,505.80/x
  3. Step 3: Cross multiply
    124,768,000.20x = 187,152,000.30 × 105,060,505.80
  4. Step 4: Simplify right side
    124,768,000.20x = 19,662,283,812,999,752
  5. Step 5: Solve for x
    x = 19,662,283,812,999,752/124,768,000.20
  6. Step 6: Final answer
    x = 157,590,758.70

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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.