Home / 70,986,827.43-97,961,821.70-38,391,779.43

Finding the Fourth Proportional to 70,986,827.43, 97,961,821.70 and 38,391,779.43

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Solution

The fourth proportional to 70,986,827.43, 97,961,821.70 and 38,391,779.43 is: 52,980,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,986,827.43 : 97,961,821.70 = 38,391,779.43 : x
  2. Step 2: Convert to fraction form
    70,986,827.43/97,961,821.70 = 38,391,779.43/x
  3. Step 3: Cross multiply
    70,986,827.43x = 97,961,821.70 × 38,391,779.43
  4. Step 4: Simplify right side
    70,986,827.43x = 3,760,928,651,075,428.50
  5. Step 5: Solve for x
    x = 3,760,928,651,075,428.50/70,986,827.43
  6. Step 6: Final answer
    x = 52,980,655.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.