Home / 157,465,509.60-236,198,264.40-143,356,735.20

Finding the Fourth Proportional to 157,465,509.60, 236,198,264.40 and 143,356,735.20

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Solution

The fourth proportional to 157,465,509.60, 236,198,264.40 and 143,356,735.20 is: 215,035,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,509.60 : 236,198,264.40 = 143,356,735.20 : x
  2. Step 2: Convert to fraction form
    157,465,509.60/236,198,264.40 = 143,356,735.20/x
  3. Step 3: Cross multiply
    157,465,509.60x = 236,198,264.40 × 143,356,735.20
  4. Step 4: Simplify right side
    157,465,509.60x = 33,860,612,044,290,384
  5. Step 5: Solve for x
    x = 33,860,612,044,290,384/157,465,509.60
  6. Step 6: Final answer
    x = 215,035,102.80

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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.