Home / 157,426,806.90-236,184,447.15-76,650,410.10

Finding the Fourth Proportional to 157,426,806.90, 236,184,447.15 and 76,650,410.10

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Solution

The fourth proportional to 157,426,806.90, 236,184,447.15 and 76,650,410.10 is: 114,997,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426,806.90 : 236,184,447.15 = 76,650,410.10 : x
  2. Step 2: Convert to fraction form
    157,426,806.90/236,184,447.15 = 76,650,410.10/x
  3. Step 3: Cross multiply
    157,426,806.90x = 236,184,447.15 × 76,650,410.10
  4. Step 4: Simplify right side
    157,426,806.90x = 18,103,634,733,289,276
  5. Step 5: Solve for x
    x = 18,103,634,733,289,276/157,426,806.90
  6. Step 6: Final answer
    x = 114,997,153.85

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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.