Home / 194,012,106.60-290,593,007.10-168,502,938.60

Finding the Fourth Proportional to 194,012,106.60, 290,593,007.10 and 168,502,938.60

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Solution

The fourth proportional to 194,012,106.60, 290,593,007.10 and 168,502,938.60 is: 252,385,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,012,106.60 : 290,593,007.10 = 168,502,938.60 : x
  2. Step 2: Convert to fraction form
    194,012,106.60/290,593,007.10 = 168,502,938.60/x
  3. Step 3: Cross multiply
    194,012,106.60x = 290,593,007.10 × 168,502,938.60
  4. Step 4: Simplify right side
    194,012,106.60x = 48,965,775,632,960,664
  5. Step 5: Solve for x
    x = 48,965,775,632,960,664/194,012,106.60
  6. Step 6: Final answer
    x = 252,385,155.19

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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.