Home / 158,984,615.40-238,476,923.10-86,236,247.40

Finding the Fourth Proportional to 158,984,615.40, 238,476,923.10 and 86,236,247.40

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Solution

The fourth proportional to 158,984,615.40, 238,476,923.10 and 86,236,247.40 is: 129,354,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,984,615.40 : 238,476,923.10 = 86,236,247.40 : x
  2. Step 2: Convert to fraction form
    158,984,615.40/238,476,923.10 = 86,236,247.40/x
  3. Step 3: Cross multiply
    158,984,615.40x = 238,476,923.10 × 86,236,247.40
  4. Step 4: Simplify right side
    158,984,615.40x = 20,565,354,939,642,376
  5. Step 5: Solve for x
    x = 20,565,354,939,642,376/158,984,615.40
  6. Step 6: Final answer
    x = 129,354,371.10

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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.