Home / 157,370,400.45-236,055,600.68-99,974,772.45

Finding the Fourth Proportional to 157,370,400.45, 236,055,600.68 and 99,974,772.45

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Solution

The fourth proportional to 157,370,400.45, 236,055,600.68 and 99,974,772.45 is: 149,962,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,370,400.45 : 236,055,600.68 = 99,974,772.45 : x
  2. Step 2: Convert to fraction form
    157,370,400.45/236,055,600.68 = 99,974,772.45/x
  3. Step 3: Cross multiply
    157,370,400.45x = 236,055,600.68 × 99,974,772.45
  4. Step 4: Simplify right side
    157,370,400.45x = 23,599,604,963,031,192
  5. Step 5: Solve for x
    x = 23,599,604,963,031,192/157,370,400.45
  6. Step 6: Final answer
    x = 149,962,158.68

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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.