Home / 158,984,574.90-238,476,862.35-86,236,206.90

Finding the Fourth Proportional to 158,984,574.90, 238,476,862.35 and 86,236,206.90

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Solution

The fourth proportional to 158,984,574.90, 238,476,862.35 and 86,236,206.90 is: 129,354,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,984,574.90 : 238,476,862.35 = 86,236,206.90 : x
  2. Step 2: Convert to fraction form
    158,984,574.90/238,476,862.35 = 86,236,206.90/x
  3. Step 3: Cross multiply
    158,984,574.90x = 238,476,862.35 × 86,236,206.90
  4. Step 4: Simplify right side
    158,984,574.90x = 20,565,340,042,477,420
  5. Step 5: Solve for x
    x = 20,565,340,042,477,420/158,984,574.90
  6. Step 6: Final answer
    x = 129,354,310.35

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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.