Home / 72,719,841,823.08-108,983,331,779.10-37,345,768,374.12

Finding the Fourth Proportional to 72,719,841,823.08, 108,983,331,779.10 and 37,345,768,374.12

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Solution

The fourth proportional to 72,719,841,823.08, 108,983,331,779.10 and 37,345,768,374.12 is: 55,969,129,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,719,841,823.08 : 108,983,331,779.10 = 37,345,768,374.12 : x
  2. Step 2: Convert to fraction form
    72,719,841,823.08/108,983,331,779.10 = 37,345,768,374.12/x
  3. Step 3: Cross multiply
    72,719,841,823.08x = 108,983,331,779.10 × 37,345,768,374.12
  4. Step 4: Simplify right side
    72,719,841,823.08x = 4,070,066,265,262,140,686,336
  5. Step 5: Solve for x
    x = 4,070,066,265,262,140,686,336/72,719,841,823.08
  6. Step 6: Final answer
    x = 55,969,129,789.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.