Home / 161,726,482.40-242,673,704.40-70,859,256.80

Finding the Fourth Proportional to 161,726,482.40, 242,673,704.40 and 70,859,256.80

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Solution

The fourth proportional to 161,726,482.40, 242,673,704.40 and 70,859,256.80 is: 106,325,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,726,482.40 : 242,673,704.40 = 70,859,256.80 : x
  2. Step 2: Convert to fraction form
    161,726,482.40/242,673,704.40 = 70,859,256.80/x
  3. Step 3: Cross multiply
    161,726,482.40x = 242,673,704.40 × 70,859,256.80
  4. Step 4: Simplify right side
    161,726,482.40x = 17,195,678,338,686,890
  5. Step 5: Solve for x
    x = 17,195,678,338,686,890/161,726,482.40
  6. Step 6: Final answer
    x = 106,325,680.76

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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.