Home / 158,976,178.40-238,380,286.80-67,996,978.40

Finding the Fourth Proportional to 158,976,178.40, 238,380,286.80 and 67,996,978.40

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Solution

The fourth proportional to 158,976,178.40, 238,380,286.80 and 67,996,978.40 is: 101,959,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,178.40 : 238,380,286.80 = 67,996,978.40 : x
  2. Step 2: Convert to fraction form
    158,976,178.40/238,380,286.80 = 67,996,978.40/x
  3. Step 3: Cross multiply
    158,976,178.40x = 238,380,286.80 × 67,996,978.40
  4. Step 4: Simplify right side
    158,976,178.40x = 16,209,139,212,525,408
  5. Step 5: Solve for x
    x = 16,209,139,212,525,408/158,976,178.40
  6. Step 6: Final answer
    x = 101,959,547.50

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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.