Home / 142,938,422.28-214,303,104.54-45,838,859.04

Finding the Fourth Proportional to 142,938,422.28, 214,303,104.54 and 45,838,859.04

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Solution

The fourth proportional to 142,938,422.28, 214,303,104.54 and 45,838,859.04 is: 68,724,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,938,422.28 : 214,303,104.54 = 45,838,859.04 : x
  2. Step 2: Convert to fraction form
    142,938,422.28/214,303,104.54 = 45,838,859.04/x
  3. Step 3: Cross multiply
    142,938,422.28x = 214,303,104.54 × 45,838,859.04
  4. Step 4: Simplify right side
    142,938,422.28x = 9,823,409,800,843,444
  5. Step 5: Solve for x
    x = 9,823,409,800,843,444/142,938,422.28
  6. Step 6: Final answer
    x = 68,724,767.24

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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.