Home / 63,609,925.20-87,779,301.96-38,871,477.84

Finding the Fourth Proportional to 63,609,925.20, 87,779,301.96 and 38,871,477.84

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Solution

The fourth proportional to 63,609,925.20, 87,779,301.96 and 38,871,477.84 is: 53,641,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,609,925.20 : 87,779,301.96 = 38,871,477.84 : x
  2. Step 2: Convert to fraction form
    63,609,925.20/87,779,301.96 = 38,871,477.84/x
  3. Step 3: Cross multiply
    63,609,925.20x = 87,779,301.96 × 38,871,477.84
  4. Step 4: Simplify right side
    63,609,925.20x = 3,412,111,190,948,808.50
  5. Step 5: Solve for x
    x = 3,412,111,190,948,808.50/63,609,925.20
  6. Step 6: Final answer
    x = 53,641,175.97

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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.