Home / 104,640,019.90-156,988,023.45-74,406,931.90

Finding the Fourth Proportional to 104,640,019.90, 156,988,023.45 and 74,406,931.90

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Solution

The fourth proportional to 104,640,019.90, 156,988,023.45 and 74,406,931.90 is: 111,630,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640,019.90 : 156,988,023.45 = 74,406,931.90 : x
  2. Step 2: Convert to fraction form
    104,640,019.90/156,988,023.45 = 74,406,931.90/x
  3. Step 3: Cross multiply
    104,640,019.90x = 156,988,023.45 × 74,406,931.90
  4. Step 4: Simplify right side
    104,640,019.90x = 11,680,997,169,959,754
  5. Step 5: Solve for x
    x = 11,680,997,169,959,754/104,640,019.90
  6. Step 6: Final answer
    x = 111,630,303.41

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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.