Home / 81,291,199.95-112,097,058.45-48,245,064.51

Finding the Fourth Proportional to 81,291,199.95, 112,097,058.45 and 48,245,064.51

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Solution

The fourth proportional to 81,291,199.95, 112,097,058.45 and 48,245,064.51 is: 66,527,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,291,199.95 : 112,097,058.45 = 48,245,064.51 : x
  2. Step 2: Convert to fraction form
    81,291,199.95/112,097,058.45 = 48,245,064.51/x
  3. Step 3: Cross multiply
    81,291,199.95x = 112,097,058.45 × 48,245,064.51
  4. Step 4: Simplify right side
    81,291,199.95x = 5,408,129,816,301,491
  5. Step 5: Solve for x
    x = 5,408,129,816,301,491/81,291,199.95
  6. Step 6: Final answer
    x = 66,527,863.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.