Home / 70,985,811.36-97,960,484.88-38,390,763.04

Finding the Fourth Proportional to 70,985,811.36, 97,960,484.88 and 38,390,763.04

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Solution

The fourth proportional to 70,985,811.36, 97,960,484.88 and 38,390,763.04 is: 52,979,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985,811.36 : 97,960,484.88 = 38,390,763.04 : x
  2. Step 2: Convert to fraction form
    70,985,811.36/97,960,484.88 = 38,390,763.04/x
  3. Step 3: Cross multiply
    70,985,811.36x = 97,960,484.88 × 38,390,763.04
  4. Step 4: Simplify right side
    70,985,811.36x = 3,760,777,762,311,582.50
  5. Step 5: Solve for x
    x = 3,760,777,762,311,582.50/70,985,811.36
  6. Step 6: Final answer
    x = 52,979,288.26

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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.