Home / 42,768,417.60-64,026,655.20-40,276,987.20

Finding the Fourth Proportional to 42,768,417.60, 64,026,655.20 and 40,276,987.20

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Solution

The fourth proportional to 42,768,417.60, 64,026,655.20 and 40,276,987.20 is: 60,296,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,417.60 : 64,026,655.20 = 40,276,987.20 : x
  2. Step 2: Convert to fraction form
    42,768,417.60/64,026,655.20 = 40,276,987.20/x
  3. Step 3: Cross multiply
    42,768,417.60x = 64,026,655.20 × 40,276,987.20
  4. Step 4: Simplify right side
    42,768,417.60x = 2,578,800,771,949,214
  5. Step 5: Solve for x
    x = 2,578,800,771,949,214/42,768,417.60
  6. Step 6: Final answer
    x = 60,296,847.92

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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.