Home / 157,465,987.60-236,128,122.60-60,389,431.60

Finding the Fourth Proportional to 157,465,987.60, 236,128,122.60 and 60,389,431.60

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Solution

The fourth proportional to 157,465,987.60, 236,128,122.60 and 60,389,431.60 is: 90,556,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,987.60 : 236,128,122.60 = 60,389,431.60 : x
  2. Step 2: Convert to fraction form
    157,465,987.60/236,128,122.60 = 60,389,431.60/x
  3. Step 3: Cross multiply
    157,465,987.60x = 236,128,122.60 × 60,389,431.60
  4. Step 4: Simplify right side
    157,465,987.60x = 14,259,643,108,589,114
  5. Step 5: Solve for x
    x = 14,259,643,108,589,114/157,465,987.60
  6. Step 6: Final answer
    x = 90,556,972.50

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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.