Home / 102,441,920.74-141,370,947.21-56,031,182.26

Finding the Fourth Proportional to 102,441,920.74, 141,370,947.21 and 56,031,182.26

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Solution

The fourth proportional to 102,441,920.74, 141,370,947.21 and 56,031,182.26 is: 77,323,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,441,920.74 : 141,370,947.21 = 56,031,182.26 : x
  2. Step 2: Convert to fraction form
    102,441,920.74/141,370,947.21 = 56,031,182.26/x
  3. Step 3: Cross multiply
    102,441,920.74x = 141,370,947.21 × 56,031,182.26
  4. Step 4: Simplify right side
    102,441,920.74x = 7,921,181,309,392,349
  5. Step 5: Solve for x
    x = 7,921,181,309,392,349/102,441,920.74
  6. Step 6: Final answer
    x = 77,323,631.30

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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.