Home / 426,629,002.02-639,943,503.18-119,921,114.89

Finding the Fourth Proportional to 426,629,002.02, 639,943,503.18 and 119,921,114.89

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Solution

The fourth proportional to 426,629,002.02, 639,943,503.18 and 119,921,114.89 is: 179,881,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,629,002.02 : 639,943,503.18 = 119,921,114.89 : x
  2. Step 2: Convert to fraction form
    426,629,002.02/639,943,503.18 = 119,921,114.89/x
  3. Step 3: Cross multiply
    426,629,002.02x = 639,943,503.18 × 119,921,114.89
  4. Step 4: Simplify right side
    426,629,002.02x = 76,742,738,368,311,680
  5. Step 5: Solve for x
    x = 76,742,738,368,311,680/426,629,002.02
  6. Step 6: Final answer
    x = 179,881,672.38

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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.