Home / 118,342,267.60-177,513,401.40-66,686,202.40

Finding the Fourth Proportional to 118,342,267.60, 177,513,401.40 and 66,686,202.40

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Solution

The fourth proportional to 118,342,267.60, 177,513,401.40 and 66,686,202.40 is: 100,029,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,342,267.60 : 177,513,401.40 = 66,686,202.40 : x
  2. Step 2: Convert to fraction form
    118,342,267.60/177,513,401.40 = 66,686,202.40/x
  3. Step 3: Cross multiply
    118,342,267.60x = 177,513,401.40 × 66,686,202.40
  4. Step 4: Simplify right side
    118,342,267.60x = 11,837,694,614,472,844
  5. Step 5: Solve for x
    x = 11,837,694,614,472,844/118,342,267.60
  6. Step 6: Final answer
    x = 100,029,303.60

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Similar ratio
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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.