Home / 142,056,521.20-213,084,781.80-65,529,017.20

Finding the Fourth Proportional to 142,056,521.20, 213,084,781.80 and 65,529,017.20

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Solution

The fourth proportional to 142,056,521.20, 213,084,781.80 and 65,529,017.20 is: 98,293,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,056,521.20 : 213,084,781.80 = 65,529,017.20 : x
  2. Step 2: Convert to fraction form
    142,056,521.20/213,084,781.80 = 65,529,017.20/x
  3. Step 3: Cross multiply
    142,056,521.20x = 213,084,781.80 × 65,529,017.20
  4. Step 4: Simplify right side
    142,056,521.20x = 13,963,236,331,630,448
  5. Step 5: Solve for x
    x = 13,963,236,331,630,448/142,056,521.20
  6. Step 6: Final answer
    x = 98,293,525.80

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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.