Home / 43,955,950.80-65,933,926.20-42,090,002.40

Finding the Fourth Proportional to 43,955,950.80, 65,933,926.20 and 42,090,002.40

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Solution

The fourth proportional to 43,955,950.80, 65,933,926.20 and 42,090,002.40 is: 63,135,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,955,950.80 : 65,933,926.20 = 42,090,002.40 : x
  2. Step 2: Convert to fraction form
    43,955,950.80/65,933,926.20 = 42,090,002.40/x
  3. Step 3: Cross multiply
    43,955,950.80x = 65,933,926.20 × 42,090,002.40
  4. Step 4: Simplify right side
    43,955,950.80x = 2,775,159,111,999,423
  5. Step 5: Solve for x
    x = 2,775,159,111,999,423/43,955,950.80
  6. Step 6: Final answer
    x = 63,135,003.60

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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.