Home / 66,744,219.70-100,116,329.55-66,319,066.90

Finding the Fourth Proportional to 66,744,219.70, 100,116,329.55 and 66,319,066.90

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Solution

The fourth proportional to 66,744,219.70, 100,116,329.55 and 66,319,066.90 is: 99,478,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,744,219.70 : 100,116,329.55 = 66,319,066.90 : x
  2. Step 2: Convert to fraction form
    66,744,219.70/100,116,329.55 = 66,319,066.90/x
  3. Step 3: Cross multiply
    66,744,219.70x = 100,116,329.55 × 66,319,066.90
  4. Step 4: Simplify right side
    66,744,219.70x = 6,639,621,557,208,897
  5. Step 5: Solve for x
    x = 6,639,621,557,208,897/66,744,219.70
  6. Step 6: Final answer
    x = 99,478,600.35

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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.