Home / 140,110,989,767.86-210,193,524,372.75-45,758,571,986.74

Finding the Fourth Proportional to 140,110,989,767.86, 210,193,524,372.75 and 45,758,571,986.74

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Solution

The fourth proportional to 140,110,989,767.86, 210,193,524,372.75 and 45,758,571,986.74 is: 68,646,688,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,110,989,767.86 : 210,193,524,372.75 = 45,758,571,986.74 : x
  2. Step 2: Convert to fraction form
    140,110,989,767.86/210,193,524,372.75 = 45,758,571,986.74/x
  3. Step 3: Cross multiply
    140,110,989,767.86x = 210,193,524,372.75 × 45,758,571,986.74
  4. Step 4: Simplify right side
    140,110,989,767.86x = 9,618,155,516,157,069,623,296
  5. Step 5: Solve for x
    x = 9,618,155,516,157,069,623,296/140,110,989,767.86
  6. Step 6: Final answer
    x = 68,646,688,829.28

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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.