Home / 268,417,822.95-402,622,689.15-120,761,107.34

Finding the Fourth Proportional to 268,417,822.95, 402,622,689.15 and 120,761,107.34

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Solution

The fourth proportional to 268,417,822.95, 402,622,689.15 and 120,761,107.34 is: 181,139,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,417,822.95 : 402,622,689.15 = 120,761,107.34 : x
  2. Step 2: Convert to fraction form
    268,417,822.95/402,622,689.15 = 120,761,107.34/x
  3. Step 3: Cross multiply
    268,417,822.95x = 402,622,689.15 × 120,761,107.34
  4. Step 4: Simplify right side
    268,417,822.95x = 48,621,161,779,949,488
  5. Step 5: Solve for x
    x = 48,621,161,779,949,488/268,417,822.95
  6. Step 6: Final answer
    x = 181,139,841.03

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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.