Home / 120,966,730.80-181,450,096.20-69,948,394.80

Finding the Fourth Proportional to 120,966,730.80, 181,450,096.20 and 69,948,394.80

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Solution

The fourth proportional to 120,966,730.80, 181,450,096.20 and 69,948,394.80 is: 104,922,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,966,730.80 : 181,450,096.20 = 69,948,394.80 : x
  2. Step 2: Convert to fraction form
    120,966,730.80/181,450,096.20 = 69,948,394.80/x
  3. Step 3: Cross multiply
    120,966,730.80x = 181,450,096.20 × 69,948,394.80
  4. Step 4: Simplify right side
    120,966,730.80x = 12,692,142,965,495,578
  5. Step 5: Solve for x
    x = 12,692,142,965,495,578/120,966,730.80
  6. Step 6: Final answer
    x = 104,922,592.20

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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.