Home / 101,285,753.13-139,731,539.01-67,806,018.86

Finding the Fourth Proportional to 101,285,753.13, 139,731,539.01 and 67,806,018.86

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Solution

The fourth proportional to 101,285,753.13, 139,731,539.01 and 67,806,018.86 is: 93,543,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,285,753.13 : 139,731,539.01 = 67,806,018.86 : x
  2. Step 2: Convert to fraction form
    101,285,753.13/139,731,539.01 = 67,806,018.86/x
  3. Step 3: Cross multiply
    101,285,753.13x = 139,731,539.01 × 67,806,018.86
  4. Step 4: Simplify right side
    101,285,753.13x = 9,474,639,369,459,184
  5. Step 5: Solve for x
    x = 9,474,639,369,459,184/101,285,753.13
  6. Step 6: Final answer
    x = 93,543,653.24

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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.