Home / 101,123,812.40-151,685,718.60-100,116,042.80

Finding the Fourth Proportional to 101,123,812.40, 151,685,718.60 and 100,116,042.80

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Solution

The fourth proportional to 101,123,812.40, 151,685,718.60 and 100,116,042.80 is: 150,174,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,123,812.40 : 151,685,718.60 = 100,116,042.80 : x
  2. Step 2: Convert to fraction form
    101,123,812.40/151,685,718.60 = 100,116,042.80/x
  3. Step 3: Cross multiply
    101,123,812.40x = 151,685,718.60 × 100,116,042.80
  4. Step 4: Simplify right side
    101,123,812.40x = 15,186,173,895,506,356
  5. Step 5: Solve for x
    x = 15,186,173,895,506,356/101,123,812.40
  6. Step 6: Final answer
    x = 150,174,064.20

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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.