Home / 80,838,200.80-121,333,408.80-42,527,209.60

Finding the Fourth Proportional to 80,838,200.80, 121,333,408.80 and 42,527,209.60

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Solution

The fourth proportional to 80,838,200.80, 121,333,408.80 and 42,527,209.60 is: 63,830,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,838,200.80 : 121,333,408.80 = 42,527,209.60 : x
  2. Step 2: Convert to fraction form
    80,838,200.80/121,333,408.80 = 42,527,209.60/x
  3. Step 3: Cross multiply
    80,838,200.80x = 121,333,408.80 × 42,527,209.60
  4. Step 4: Simplify right side
    80,838,200.80x = 5,159,971,307,520,085
  5. Step 5: Solve for x
    x = 5,159,971,307,520,085/80,838,200.80
  6. Step 6: Final answer
    x = 63,830,852.94

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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.