Home / 141,793,300.20-212,689,950.30-121,385,965.80

Finding the Fourth Proportional to 141,793,300.20, 212,689,950.30 and 121,385,965.80

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Solution

The fourth proportional to 141,793,300.20, 212,689,950.30 and 121,385,965.80 is: 182,078,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,793,300.20 : 212,689,950.30 = 121,385,965.80 : x
  2. Step 2: Convert to fraction form
    141,793,300.20/212,689,950.30 = 121,385,965.80/x
  3. Step 3: Cross multiply
    141,793,300.20x = 212,689,950.30 × 121,385,965.80
  4. Step 4: Simplify right side
    141,793,300.20x = 25,817,575,033,119,500
  5. Step 5: Solve for x
    x = 25,817,575,033,119,500/141,793,300.20
  6. Step 6: Final answer
    x = 182,078,948.70

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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.