Home / 81,227,058.90-121,828,603.58-23,703,885.06

Finding the Fourth Proportional to 81,227,058.90, 121,828,603.58 and 23,703,885.06

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Solution

The fourth proportional to 81,227,058.90, 121,828,603.58 and 23,703,885.06 is: 35,552,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,227,058.90 : 121,828,603.58 = 23,703,885.06 : x
  2. Step 2: Convert to fraction form
    81,227,058.90/121,828,603.58 = 23,703,885.06/x
  3. Step 3: Cross multiply
    81,227,058.90x = 121,828,603.58 × 23,703,885.06
  4. Step 4: Simplify right side
    81,227,058.90x = 2,887,811,216,280,624.50
  5. Step 5: Solve for x
    x = 2,887,811,216,280,624.50/81,227,058.90
  6. Step 6: Final answer
    x = 35,552,330.16

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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.