Home / 104,640,017.40-156,988,019.70-74,406,929.40

Finding the Fourth Proportional to 104,640,017.40, 156,988,019.70 and 74,406,929.40

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Solution

The fourth proportional to 104,640,017.40, 156,988,019.70 and 74,406,929.40 is: 111,630,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640,017.40 : 156,988,019.70 = 74,406,929.40 : x
  2. Step 2: Convert to fraction form
    104,640,017.40/156,988,019.70 = 74,406,929.40/x
  3. Step 3: Cross multiply
    104,640,017.40x = 156,988,019.70 × 74,406,929.40
  4. Step 4: Simplify right side
    104,640,017.40x = 11,680,996,498,463,710
  5. Step 5: Solve for x
    x = 11,680,996,498,463,710/104,640,017.40
  6. Step 6: Final answer
    x = 111,630,299.66

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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.