Home / 117,528,279.20-176,292,418.80-105,624,000.80

Finding the Fourth Proportional to 117,528,279.20, 176,292,418.80 and 105,624,000.80

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Solution

The fourth proportional to 117,528,279.20, 176,292,418.80 and 105,624,000.80 is: 158,436,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,528,279.20 : 176,292,418.80 = 105,624,000.80 : x
  2. Step 2: Convert to fraction form
    117,528,279.20/176,292,418.80 = 105,624,000.80/x
  3. Step 3: Cross multiply
    117,528,279.20x = 176,292,418.80 × 105,624,000.80
  4. Step 4: Simplify right side
    117,528,279.20x = 18,620,710,584,365,136
  5. Step 5: Solve for x
    x = 18,620,710,584,365,136/117,528,279.20
  6. Step 6: Final answer
    x = 158,436,001.20

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1.5x scale

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.