Home / 291,267,781.10-436,607,738.85-145,477,112.30

Finding the Fourth Proportional to 291,267,781.10, 436,607,738.85 and 145,477,112.30

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Solution

The fourth proportional to 291,267,781.10, 436,607,738.85 and 145,477,112.30 is: 218,068,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,267,781.10 : 436,607,738.85 = 145,477,112.30 : x
  2. Step 2: Convert to fraction form
    291,267,781.10/436,607,738.85 = 145,477,112.30/x
  3. Step 3: Cross multiply
    291,267,781.10x = 436,607,738.85 × 145,477,112.30
  4. Step 4: Simplify right side
    291,267,781.10x = 63,516,433,055,730,528
  5. Step 5: Solve for x
    x = 63,516,433,055,730,528/291,267,781.10
  6. Step 6: Final answer
    x = 218,068,860.26

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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.