Home / 124,768,007.20-187,152,010.80-105,060,512.80

Finding the Fourth Proportional to 124,768,007.20, 187,152,010.80 and 105,060,512.80

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Solution

The fourth proportional to 124,768,007.20, 187,152,010.80 and 105,060,512.80 is: 157,590,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,768,007.20 : 187,152,010.80 = 105,060,512.80 : x
  2. Step 2: Convert to fraction form
    124,768,007.20/187,152,010.80 = 105,060,512.80/x
  3. Step 3: Cross multiply
    124,768,007.20x = 187,152,010.80 × 105,060,512.80
  4. Step 4: Simplify right side
    124,768,007.20x = 19,662,286,226,199,140
  5. Step 5: Solve for x
    x = 19,662,286,226,199,140/124,768,007.20
  6. Step 6: Final answer
    x = 157,590,769.20

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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.