Home / 54,328,347.90-81,492,521.85-13,938,831.90

Finding the Fourth Proportional to 54,328,347.90, 81,492,521.85 and 13,938,831.90

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Solution

The fourth proportional to 54,328,347.90, 81,492,521.85 and 13,938,831.90 is: 20,908,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,347.90 : 81,492,521.85 = 13,938,831.90 : x
  2. Step 2: Convert to fraction form
    54,328,347.90/81,492,521.85 = 13,938,831.90/x
  3. Step 3: Cross multiply
    54,328,347.90x = 81,492,521.85 × 13,938,831.90
  4. Step 4: Simplify right side
    54,328,347.90x = 1,135,910,563,174,227
  5. Step 5: Solve for x
    x = 1,135,910,563,174,227/54,328,347.90
  6. Step 6: Final answer
    x = 20,908,247.85

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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.