Home / 109,142,307.60-163,736,206.20-36,381,692.40

Finding the Fourth Proportional to 109,142,307.60, 163,736,206.20 and 36,381,692.40

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Solution

The fourth proportional to 109,142,307.60, 163,736,206.20 and 36,381,692.40 is: 54,580,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,142,307.60 : 163,736,206.20 = 36,381,692.40 : x
  2. Step 2: Convert to fraction form
    109,142,307.60/163,736,206.20 = 36,381,692.40/x
  3. Step 3: Cross multiply
    109,142,307.60x = 163,736,206.20 × 36,381,692.40
  4. Step 4: Simplify right side
    109,142,307.60x = 5,957,000,288,711,372
  5. Step 5: Solve for x
    x = 5,957,000,288,711,372/109,142,307.60
  6. Step 6: Final answer
    x = 54,580,120.39

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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.