Home / 161,935,999.20-242,903,998.80-146,315,570.40

Finding the Fourth Proportional to 161,935,999.20, 242,903,998.80 and 146,315,570.40

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Solution

The fourth proportional to 161,935,999.20, 242,903,998.80 and 146,315,570.40 is: 219,473,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,935,999.20 : 242,903,998.80 = 146,315,570.40 : x
  2. Step 2: Convert to fraction form
    161,935,999.20/242,903,998.80 = 146,315,570.40/x
  3. Step 3: Cross multiply
    161,935,999.20x = 242,903,998.80 × 146,315,570.40
  4. Step 4: Simplify right side
    161,935,999.20x = 35,540,637,136,862,920
  5. Step 5: Solve for x
    x = 35,540,637,136,862,920/161,935,999.20
  6. Step 6: Final answer
    x = 219,473,355.60

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1.5x scale

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.