Home / 154,525,793,320.80-231,788,689,981.20-129,730,882,024.80

Finding the Fourth Proportional to 154,525,793,320.80, 231,788,689,981.20 and 129,730,882,024.80

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Solution

The fourth proportional to 154,525,793,320.80, 231,788,689,981.20 and 129,730,882,024.80 is: 194,596,323,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,525,793,320.80 : 231,788,689,981.20 = 129,730,882,024.80 : x
  2. Step 2: Convert to fraction form
    154,525,793,320.80/231,788,689,981.20 = 129,730,882,024.80/x
  3. Step 3: Cross multiply
    154,525,793,320.80x = 231,788,689,981.20 × 129,730,882,024.80
  4. Step 4: Simplify right side
    154,525,793,320.80x = 30,070,151,194,634,002,366,464
  5. Step 5: Solve for x
    x = 30,070,151,194,634,002,366,464/154,525,793,320.80
  6. Step 6: Final answer
    x = 194,596,323,037.20

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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.