Home / 65,771,467.20-98,657,200.80-63,084,081.60

Finding the Fourth Proportional to 65,771,467.20, 98,657,200.80 and 63,084,081.60

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Solution

The fourth proportional to 65,771,467.20, 98,657,200.80 and 63,084,081.60 is: 94,626,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,771,467.20 : 98,657,200.80 = 63,084,081.60 : x
  2. Step 2: Convert to fraction form
    65,771,467.20/98,657,200.80 = 63,084,081.60/x
  3. Step 3: Cross multiply
    65,771,467.20x = 98,657,200.80 × 63,084,081.60
  4. Step 4: Simplify right side
    65,771,467.20x = 6,223,698,905,694,785
  5. Step 5: Solve for x
    x = 6,223,698,905,694,785/65,771,467.20
  6. Step 6: Final answer
    x = 94,626,122.40

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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.