Home / 104,640,014.40-156,988,015.20-74,406,926.40

Finding the Fourth Proportional to 104,640,014.40, 156,988,015.20 and 74,406,926.40

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Solution

The fourth proportional to 104,640,014.40, 156,988,015.20 and 74,406,926.40 is: 111,630,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640,014.40 : 156,988,015.20 = 74,406,926.40 : x
  2. Step 2: Convert to fraction form
    104,640,014.40/156,988,015.20 = 74,406,926.40/x
  3. Step 3: Cross multiply
    104,640,014.40x = 156,988,015.20 × 74,406,926.40
  4. Step 4: Simplify right side
    104,640,014.40x = 11,680,995,692,668,482
  5. Step 5: Solve for x
    x = 11,680,995,692,668,482/104,640,014.40
  6. Step 6: Final answer
    x = 111,630,295.16

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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.