Home / 103,370,240.66-142,650,945.65-56,327,322.02

Finding the Fourth Proportional to 103,370,240.66, 142,650,945.65 and 56,327,322.02

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Solution

The fourth proportional to 103,370,240.66, 142,650,945.65 and 56,327,322.02 is: 77,731,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,370,240.66 : 142,650,945.65 = 56,327,322.02 : x
  2. Step 2: Convert to fraction form
    103,370,240.66/142,650,945.65 = 56,327,322.02/x
  3. Step 3: Cross multiply
    103,370,240.66x = 142,650,945.65 × 56,327,322.02
  4. Step 4: Simplify right side
    103,370,240.66x = 8,035,145,751,512,632
  5. Step 5: Solve for x
    x = 8,035,145,751,512,632/103,370,240.66
  6. Step 6: Final answer
    x = 77,731,711.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.