Home / 169,634,719.28-254,216,667.04-77,292,785.88

Finding the Fourth Proportional to 169,634,719.28, 254,216,667.04 and 77,292,785.88

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Solution

The fourth proportional to 169,634,719.28, 254,216,667.04 and 77,292,785.88 is: 115,831,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,634,719.28 : 254,216,667.04 = 77,292,785.88 : x
  2. Step 2: Convert to fraction form
    169,634,719.28/254,216,667.04 = 77,292,785.88/x
  3. Step 3: Cross multiply
    169,634,719.28x = 254,216,667.04 × 77,292,785.88
  4. Step 4: Simplify right side
    169,634,719.28x = 19,649,114,412,649,972
  5. Step 5: Solve for x
    x = 19,649,114,412,649,972/169,634,719.28
  6. Step 6: Final answer
    x = 115,831,915.16

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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.