Home / 88,128,001.80-132,192,002.70-55,674,671.40

Finding the Fourth Proportional to 88,128,001.80, 132,192,002.70 and 55,674,671.40

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Solution

The fourth proportional to 88,128,001.80, 132,192,002.70 and 55,674,671.40 is: 83,512,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,001.80 : 132,192,002.70 = 55,674,671.40 : x
  2. Step 2: Convert to fraction form
    88,128,001.80/132,192,002.70 = 55,674,671.40/x
  3. Step 3: Cross multiply
    88,128,001.80x = 132,192,002.70 × 55,674,671.40
  4. Step 4: Simplify right side
    88,128,001.80x = 7,359,746,312,030,413
  5. Step 5: Solve for x
    x = 7,359,746,312,030,413/88,128,001.80
  6. Step 6: Final answer
    x = 83,512,007.10

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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.