Home / 36,758,909.40-55,138,364.10-31,657,075.80

Finding the Fourth Proportional to 36,758,909.40, 55,138,364.10 and 31,657,075.80

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Solution

The fourth proportional to 36,758,909.40, 55,138,364.10 and 31,657,075.80 is: 47,485,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758,909.40 : 55,138,364.10 = 31,657,075.80 : x
  2. Step 2: Convert to fraction form
    36,758,909.40/55,138,364.10 = 31,657,075.80/x
  3. Step 3: Cross multiply
    36,758,909.40x = 55,138,364.10 × 31,657,075.80
  4. Step 4: Simplify right side
    36,758,909.40x = 1,745,519,371,801,698.75
  5. Step 5: Solve for x
    x = 1,745,519,371,801,698.75/36,758,909.40
  6. Step 6: Final answer
    x = 47,485,613.70

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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.