Home / 84,770,838.34-126,970,867.56-60,103,994.74

Finding the Fourth Proportional to 84,770,838.34, 126,970,867.56 and 60,103,994.74

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Solution

The fourth proportional to 84,770,838.34, 126,970,867.56 and 60,103,994.74 is: 90,024,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,770,838.34 : 126,970,867.56 = 60,103,994.74 : x
  2. Step 2: Convert to fraction form
    84,770,838.34/126,970,867.56 = 60,103,994.74/x
  3. Step 3: Cross multiply
    84,770,838.34x = 126,970,867.56 × 60,103,994.74
  4. Step 4: Simplify right side
    84,770,838.34x = 7,631,456,355,959,477
  5. Step 5: Solve for x
    x = 7,631,456,355,959,477/84,770,838.34
  6. Step 6: Final answer
    x = 90,024,547.42

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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.