Home / 145,883,368.80-218,825,053.20-111,871,144.80

Finding the Fourth Proportional to 145,883,368.80, 218,825,053.20 and 111,871,144.80

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Solution

The fourth proportional to 145,883,368.80, 218,825,053.20 and 111,871,144.80 is: 167,806,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,883,368.80 : 218,825,053.20 = 111,871,144.80 : x
  2. Step 2: Convert to fraction form
    145,883,368.80/218,825,053.20 = 111,871,144.80/x
  3. Step 3: Cross multiply
    145,883,368.80x = 218,825,053.20 × 111,871,144.80
  4. Step 4: Simplify right side
    145,883,368.80x = 24,480,209,212,404,900
  5. Step 5: Solve for x
    x = 24,480,209,212,404,900/145,883,368.80
  6. Step 6: Final answer
    x = 167,806,717.20

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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.