Home / 161,486,542.80-242,285,801.40-70,675,304.40

Finding the Fourth Proportional to 161,486,542.80, 242,285,801.40 and 70,675,304.40

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Solution

The fourth proportional to 161,486,542.80, 242,285,801.40 and 70,675,304.40 is: 106,037,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,486,542.80 : 242,285,801.40 = 70,675,304.40 : x
  2. Step 2: Convert to fraction form
    161,486,542.80/242,285,801.40 = 70,675,304.40/x
  3. Step 3: Cross multiply
    161,486,542.80x = 242,285,801.40 × 70,675,304.40
  4. Step 4: Simplify right side
    161,486,542.80x = 17,123,622,765,742,948
  5. Step 5: Solve for x
    x = 17,123,622,765,742,948/161,486,542.80
  6. Step 6: Final answer
    x = 106,037,459.65

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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.