Home / 219,699,689.60-329,549,534.40-168,838,428.80

Finding the Fourth Proportional to 219,699,689.60, 329,549,534.40 and 168,838,428.80

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Solution

The fourth proportional to 219,699,689.60, 329,549,534.40 and 168,838,428.80 is: 253,257,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,699,689.60 : 329,549,534.40 = 168,838,428.80 : x
  2. Step 2: Convert to fraction form
    219,699,689.60/329,549,534.40 = 168,838,428.80/x
  3. Step 3: Cross multiply
    219,699,689.60x = 329,549,534.40 × 168,838,428.80
  4. Step 4: Simplify right side
    219,699,689.60x = 55,640,625,599,867,552
  5. Step 5: Solve for x
    x = 55,640,625,599,867,552/219,699,689.60
  6. Step 6: Final answer
    x = 253,257,643.20

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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.