Home / 161,703,275.20-242,554,912.80-64,610,972.80

Finding the Fourth Proportional to 161,703,275.20, 242,554,912.80 and 64,610,972.80

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Solution

The fourth proportional to 161,703,275.20, 242,554,912.80 and 64,610,972.80 is: 96,916,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703,275.20 : 242,554,912.80 = 64,610,972.80 : x
  2. Step 2: Convert to fraction form
    161,703,275.20/242,554,912.80 = 64,610,972.80/x
  3. Step 3: Cross multiply
    161,703,275.20x = 242,554,912.80 × 64,610,972.80
  4. Step 4: Simplify right side
    161,703,275.20x = 15,671,708,873,427,172
  5. Step 5: Solve for x
    x = 15,671,708,873,427,172/161,703,275.20
  6. Step 6: Final answer
    x = 96,916,459.20

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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.