Home / 161,706,654.40-242,559,981.60-46,694,948.80

Finding the Fourth Proportional to 161,706,654.40, 242,559,981.60 and 46,694,948.80

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Solution

The fourth proportional to 161,706,654.40, 242,559,981.60 and 46,694,948.80 is: 70,042,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,706,654.40 : 242,559,981.60 = 46,694,948.80 : x
  2. Step 2: Convert to fraction form
    161,706,654.40/242,559,981.60 = 46,694,948.80/x
  3. Step 3: Cross multiply
    161,706,654.40x = 242,559,981.60 × 46,694,948.80
  4. Step 4: Simplify right side
    161,706,654.40x = 11,326,325,921,740,942
  5. Step 5: Solve for x
    x = 11,326,325,921,740,942/161,706,654.40
  6. Step 6: Final answer
    x = 70,042,423.20

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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.