Home / 61,776,779.11-85,291,890.47-38,280,248.89

Finding the Fourth Proportional to 61,776,779.11, 85,291,890.47 and 38,280,248.89

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Solution

The fourth proportional to 61,776,779.11, 85,291,890.47 and 38,280,248.89 is: 52,851,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776,779.11 : 85,291,890.47 = 38,280,248.89 : x
  2. Step 2: Convert to fraction form
    61,776,779.11/85,291,890.47 = 38,280,248.89/x
  3. Step 3: Cross multiply
    61,776,779.11x = 85,291,890.47 × 38,280,248.89
  4. Step 4: Simplify right side
    61,776,779.11x = 3,264,994,795,229,139.50
  5. Step 5: Solve for x
    x = 3,264,994,795,229,139.50/61,776,779.11
  6. Step 6: Final answer
    x = 52,851,489.55

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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.