Home / 70,985,821.32-97,960,498.92-38,390,773.32

Finding the Fourth Proportional to 70,985,821.32, 97,960,498.92 and 38,390,773.32

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Solution

The fourth proportional to 70,985,821.32, 97,960,498.92 and 38,390,773.32 is: 52,979,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985,821.32 : 97,960,498.92 = 38,390,773.32 : x
  2. Step 2: Convert to fraction form
    70,985,821.32/97,960,498.92 = 38,390,773.32/x
  3. Step 3: Cross multiply
    70,985,821.32x = 97,960,498.92 × 38,390,773.32
  4. Step 4: Simplify right side
    70,985,821.32x = 3,760,779,308,351,825
  5. Step 5: Solve for x
    x = 3,760,779,308,351,825/70,985,821.32
  6. Step 6: Final answer
    x = 52,979,302.60

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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.