Home / 134,976,140.80-202,464,211.20-89,059,638.40

Finding the Fourth Proportional to 134,976,140.80, 202,464,211.20 and 89,059,638.40

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Solution

The fourth proportional to 134,976,140.80, 202,464,211.20 and 89,059,638.40 is: 133,589,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,976,140.80 : 202,464,211.20 = 89,059,638.40 : x
  2. Step 2: Convert to fraction form
    134,976,140.80/202,464,211.20 = 89,059,638.40/x
  3. Step 3: Cross multiply
    134,976,140.80x = 202,464,211.20 × 89,059,638.40
  4. Step 4: Simplify right side
    134,976,140.80x = 18,031,389,438,413,232
  5. Step 5: Solve for x
    x = 18,031,389,438,413,232/134,976,140.80
  6. Step 6: Final answer
    x = 133,589,457.60

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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.