Home / 139,075,399.20-208,613,098.80-36,849,770.40

Finding the Fourth Proportional to 139,075,399.20, 208,613,098.80 and 36,849,770.40

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Solution

The fourth proportional to 139,075,399.20, 208,613,098.80 and 36,849,770.40 is: 55,274,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,075,399.20 : 208,613,098.80 = 36,849,770.40 : x
  2. Step 2: Convert to fraction form
    139,075,399.20/208,613,098.80 = 36,849,770.40/x
  3. Step 3: Cross multiply
    139,075,399.20x = 208,613,098.80 × 36,849,770.40
  4. Step 4: Simplify right side
    139,075,399.20x = 7,687,344,793,212,516
  5. Step 5: Solve for x
    x = 7,687,344,793,212,516/139,075,399.20
  6. Step 6: Final answer
    x = 55,274,655.60

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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.