Home / 157,402,478.40-236,103,717.60-80,874,974.40

Finding the Fourth Proportional to 157,402,478.40, 236,103,717.60 and 80,874,974.40

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Solution

The fourth proportional to 157,402,478.40, 236,103,717.60 and 80,874,974.40 is: 121,312,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,402,478.40 : 236,103,717.60 = 80,874,974.40 : x
  2. Step 2: Convert to fraction form
    157,402,478.40/236,103,717.60 = 80,874,974.40/x
  3. Step 3: Cross multiply
    157,402,478.40x = 236,103,717.60 × 80,874,974.40
  4. Step 4: Simplify right side
    157,402,478.40x = 19,094,882,116,644,832
  5. Step 5: Solve for x
    x = 19,094,882,116,644,832/157,402,478.40
  6. Step 6: Final answer
    x = 121,312,461.60

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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.