Home / 42,768,210.60-64,026,344.70-40,276,780.20

Finding the Fourth Proportional to 42,768,210.60, 64,026,344.70 and 40,276,780.20

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Solution

The fourth proportional to 42,768,210.60, 64,026,344.70 and 40,276,780.20 is: 60,296,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,210.60 : 64,026,344.70 = 40,276,780.20 : x
  2. Step 2: Convert to fraction form
    42,768,210.60/64,026,344.70 = 40,276,780.20/x
  3. Step 3: Cross multiply
    42,768,210.60x = 64,026,344.70 × 40,276,780.20
  4. Step 4: Simplify right side
    42,768,210.60x = 2,578,775,012,491,335.50
  5. Step 5: Solve for x
    x = 2,578,775,012,491,335.50/42,768,210.60
  6. Step 6: Final answer
    x = 60,296,537.46

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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.