Home / 140,645,899.98-210,976,821.51-43,615,402.20

Finding the Fourth Proportional to 140,645,899.98, 210,976,821.51 and 43,615,402.20

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Solution

The fourth proportional to 140,645,899.98, 210,976,821.51 and 43,615,402.20 is: 65,425,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,645,899.98 : 210,976,821.51 = 43,615,402.20 : x
  2. Step 2: Convert to fraction form
    140,645,899.98/210,976,821.51 = 43,615,402.20/x
  3. Step 3: Cross multiply
    140,645,899.98x = 210,976,821.51 × 43,615,402.20
  4. Step 4: Simplify right side
    140,645,899.98x = 9,201,838,925,036,262
  5. Step 5: Solve for x
    x = 9,201,838,925,036,262/140,645,899.98
  6. Step 6: Final answer
    x = 65,425,575.34

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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.