Home / 99,634,616.61-137,495,388.56-55,581,580.23

Finding the Fourth Proportional to 99,634,616.61, 137,495,388.56 and 55,581,580.23

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Solution

The fourth proportional to 99,634,616.61, 137,495,388.56 and 55,581,580.23 is: 76,702,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,634,616.61 : 137,495,388.56 = 55,581,580.23 : x
  2. Step 2: Convert to fraction form
    99,634,616.61/137,495,388.56 = 55,581,580.23/x
  3. Step 3: Cross multiply
    99,634,616.61x = 137,495,388.56 × 55,581,580.23
  4. Step 4: Simplify right side
    99,634,616.61x = 7,642,210,970,224,756
  5. Step 5: Solve for x
    x = 7,642,210,970,224,756/99,634,616.61
  6. Step 6: Final answer
    x = 76,702,367.41

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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.