Home / 132,430,209.40-198,645,314.10-36,692,097.40

Finding the Fourth Proportional to 132,430,209.40, 198,645,314.10 and 36,692,097.40

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Solution

The fourth proportional to 132,430,209.40, 198,645,314.10 and 36,692,097.40 is: 55,038,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,430,209.40 : 198,645,314.10 = 36,692,097.40 : x
  2. Step 2: Convert to fraction form
    132,430,209.40/198,645,314.10 = 36,692,097.40/x
  3. Step 3: Cross multiply
    132,430,209.40x = 198,645,314.10 × 36,692,097.40
  4. Step 4: Simplify right side
    132,430,209.40x = 7,288,713,213,010,793
  5. Step 5: Solve for x
    x = 7,288,713,213,010,793/132,430,209.40
  6. Step 6: Final answer
    x = 55,038,146.10

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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.