Home / 161,640,005.80-242,460,008.70-97,016,780.20

Finding the Fourth Proportional to 161,640,005.80, 242,460,008.70 and 97,016,780.20

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Solution

The fourth proportional to 161,640,005.80, 242,460,008.70 and 97,016,780.20 is: 145,525,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640,005.80 : 242,460,008.70 = 97,016,780.20 : x
  2. Step 2: Convert to fraction form
    161,640,005.80/242,460,008.70 = 97,016,780.20/x
  3. Step 3: Cross multiply
    161,640,005.80x = 242,460,008.70 × 97,016,780.20
  4. Step 4: Simplify right side
    161,640,005.80x = 23,522,689,371,337,988
  5. Step 5: Solve for x
    x = 23,522,689,371,337,988/161,640,005.80
  6. Step 6: Final answer
    x = 145,525,170.30

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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.