Home / 120,832,876.80-181,249,315.20-34,576,430.40

Finding the Fourth Proportional to 120,832,876.80, 181,249,315.20 and 34,576,430.40

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Solution

The fourth proportional to 120,832,876.80, 181,249,315.20 and 34,576,430.40 is: 51,864,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,832,876.80 : 181,249,315.20 = 34,576,430.40 : x
  2. Step 2: Convert to fraction form
    120,832,876.80/181,249,315.20 = 34,576,430.40/x
  3. Step 3: Cross multiply
    120,832,876.80x = 181,249,315.20 × 34,576,430.40
  4. Step 4: Simplify right side
    120,832,876.80x = 6,266,954,332,060,461
  5. Step 5: Solve for x
    x = 6,266,954,332,060,461/120,832,876.80
  6. Step 6: Final answer
    x = 51,864,645.60

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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.