Home / 101,843,832,012.92-140,538,155,601.85-56,115,548,421.52

Finding the Fourth Proportional to 101,843,832,012.92, 140,538,155,601.85 and 56,115,548,421.52

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Solution

The fourth proportional to 101,843,832,012.92, 140,538,155,601.85 and 56,115,548,421.52 is: 77,435,967,597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,843,832,012.92 : 140,538,155,601.85 = 56,115,548,421.52 : x
  2. Step 2: Convert to fraction form
    101,843,832,012.92/140,538,155,601.85 = 56,115,548,421.52/x
  3. Step 3: Cross multiply
    101,843,832,012.92x = 140,538,155,601.85 × 56,115,548,421.52
  4. Step 4: Simplify right side
    101,843,832,012.92x = 7,886,375,675,746,164,146,176
  5. Step 5: Solve for x
    x = 7,886,375,675,746,164,146,176/101,843,832,012.92
  6. Step 6: Final answer
    x = 77,435,967,597.39

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1.5x scale

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.