Home / 43,602,805.40-65,404,208.10-42,707,010.20

Finding the Fourth Proportional to 43,602,805.40, 65,404,208.10 and 42,707,010.20

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Solution

The fourth proportional to 43,602,805.40, 65,404,208.10 and 42,707,010.20 is: 64,060,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,602,805.40 : 65,404,208.10 = 42,707,010.20 : x
  2. Step 2: Convert to fraction form
    43,602,805.40/65,404,208.10 = 42,707,010.20/x
  3. Step 3: Cross multiply
    43,602,805.40x = 65,404,208.10 × 42,707,010.20
  4. Step 4: Simplify right side
    43,602,805.40x = 2,793,218,182,449,623
  5. Step 5: Solve for x
    x = 2,793,218,182,449,623/43,602,805.40
  6. Step 6: Final answer
    x = 64,060,515.30

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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.