Home / 139,758,652.32-209,630,350.89-42,714,327.12

Finding the Fourth Proportional to 139,758,652.32, 209,630,350.89 and 42,714,327.12

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Solution

The fourth proportional to 139,758,652.32, 209,630,350.89 and 42,714,327.12 is: 64,069,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,758,652.32 : 209,630,350.89 = 42,714,327.12 : x
  2. Step 2: Convert to fraction form
    139,758,652.32/209,630,350.89 = 42,714,327.12/x
  3. Step 3: Cross multiply
    139,758,652.32x = 209,630,350.89 × 42,714,327.12
  4. Step 4: Simplify right side
    139,758,652.32x = 8,954,219,382,195,842
  5. Step 5: Solve for x
    x = 8,954,219,382,195,842/139,758,652.32
  6. Step 6: Final answer
    x = 64,069,159.47

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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.