Home / 129,024,205.60-193,312,359.60-120,962,048.80

Finding the Fourth Proportional to 129,024,205.60, 193,312,359.60 and 120,962,048.80

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Solution

The fourth proportional to 129,024,205.60, 193,312,359.60 and 120,962,048.80 is: 181,233,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,205.60 : 193,312,359.60 = 120,962,048.80 : x
  2. Step 2: Convert to fraction form
    129,024,205.60/193,312,359.60 = 120,962,048.80/x
  3. Step 3: Cross multiply
    129,024,205.60x = 193,312,359.60 × 120,962,048.80
  4. Step 4: Simplify right side
    129,024,205.60x = 23,383,459,075,578,348
  5. Step 5: Solve for x
    x = 23,383,459,075,578,348/129,024,205.60
  6. Step 6: Final answer
    x = 181,233,117.98

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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.