Home / 157,370,407.20-236,055,610.80-99,974,779.20

Finding the Fourth Proportional to 157,370,407.20, 236,055,610.80 and 99,974,779.20

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Solution

The fourth proportional to 157,370,407.20, 236,055,610.80 and 99,974,779.20 is: 149,962,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,370,407.20 : 236,055,610.80 = 99,974,779.20 : x
  2. Step 2: Convert to fraction form
    157,370,407.20/236,055,610.80 = 99,974,779.20/x
  3. Step 3: Cross multiply
    157,370,407.20x = 236,055,610.80 × 99,974,779.20
  4. Step 4: Simplify right side
    157,370,407.20x = 23,599,607,568,651,136
  5. Step 5: Solve for x
    x = 23,599,607,568,651,136/157,370,407.20
  6. Step 6: Final answer
    x = 149,962,168.80

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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.