Home / 55,166,248.48-76,129,422-31,974,827.20

Finding the Fourth Proportional to 55,166,248.48, 76,129,422 and 31,974,827.20

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Solution

The fourth proportional to 55,166,248.48, 76,129,422 and 31,974,827.20 is: 44,125,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166,248.48 : 76,129,422 = 31,974,827.20 : x
  2. Step 2: Convert to fraction form
    55,166,248.48/76,129,422 = 31,974,827.20/x
  3. Step 3: Cross multiply
    55,166,248.48x = 76,129,422 × 31,974,827.20
  4. Step 4: Simplify right side
    55,166,248.48x = 2,434,225,113,285,878.50
  5. Step 5: Solve for x
    x = 2,434,225,113,285,878.50/55,166,248.48
  6. Step 6: Final answer
    x = 44,125,261.01

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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.