Home / 161,838,278.40-242,757,417.60-97,215,052.80

Finding the Fourth Proportional to 161,838,278.40, 242,757,417.60 and 97,215,052.80

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Solution

The fourth proportional to 161,838,278.40, 242,757,417.60 and 97,215,052.80 is: 145,822,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838,278.40 : 242,757,417.60 = 97,215,052.80 : x
  2. Step 2: Convert to fraction form
    161,838,278.40/242,757,417.60 = 97,215,052.80/x
  3. Step 3: Cross multiply
    161,838,278.40x = 242,757,417.60 × 97,215,052.80
  4. Step 4: Simplify right side
    161,838,278.40x = 23,599,675,169,575,648
  5. Step 5: Solve for x
    x = 23,599,675,169,575,648/161,838,278.40
  6. Step 6: Final answer
    x = 145,822,579.20

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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.