Home / 178,730,928,032.40-268,096,392,048.60-79,251,975,277.20

Finding the Fourth Proportional to 178,730,928,032.40, 268,096,392,048.60 and 79,251,975,277.20

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Solution

The fourth proportional to 178,730,928,032.40, 268,096,392,048.60 and 79,251,975,277.20 is: 118,877,962,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,730,928,032.40 : 268,096,392,048.60 = 79,251,975,277.20 : x
  2. Step 2: Convert to fraction form
    178,730,928,032.40/268,096,392,048.60 = 79,251,975,277.20/x
  3. Step 3: Cross multiply
    178,730,928,032.40x = 268,096,392,048.60 × 79,251,975,277.20
  4. Step 4: Simplify right side
    178,730,928,032.40x = 21,247,168,634,542,165,590,016
  5. Step 5: Solve for x
    x = 21,247,168,634,542,165,590,016/178,730,928,032.40
  6. Step 6: Final answer
    x = 118,877,962,915.80

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1.5x scale

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.