Home / 156,011,640.30-234,017,460.45-75,390,072.30

Finding the Fourth Proportional to 156,011,640.30, 234,017,460.45 and 75,390,072.30

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Solution

The fourth proportional to 156,011,640.30, 234,017,460.45 and 75,390,072.30 is: 113,085,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,011,640.30 : 234,017,460.45 = 75,390,072.30 : x
  2. Step 2: Convert to fraction form
    156,011,640.30/234,017,460.45 = 75,390,072.30/x
  3. Step 3: Cross multiply
    156,011,640.30x = 234,017,460.45 × 75,390,072.30
  4. Step 4: Simplify right side
    156,011,640.30x = 17,642,593,262,787,888
  5. Step 5: Solve for x
    x = 17,642,593,262,787,888/156,011,640.30
  6. Step 6: Final answer
    x = 113,085,108.45

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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.