Home / 161,706,870.40-242,560,305.60-46,695,164.80

Finding the Fourth Proportional to 161,706,870.40, 242,560,305.60 and 46,695,164.80

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Solution

The fourth proportional to 161,706,870.40, 242,560,305.60 and 46,695,164.80 is: 70,042,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,706,870.40 : 242,560,305.60 = 46,695,164.80 : x
  2. Step 2: Convert to fraction form
    161,706,870.40/242,560,305.60 = 46,695,164.80/x
  3. Step 3: Cross multiply
    161,706,870.40x = 242,560,305.60 × 46,695,164.80
  4. Step 4: Simplify right side
    161,706,870.40x = 11,326,393,443,930,362
  5. Step 5: Solve for x
    x = 11,326,393,443,930,362/161,706,870.40
  6. Step 6: Final answer
    x = 70,042,747.20

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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.