Home / 112,269,790.80-168,404,686.20-103,871,710.80

Finding the Fourth Proportional to 112,269,790.80, 168,404,686.20 and 103,871,710.80

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Solution

The fourth proportional to 112,269,790.80, 168,404,686.20 and 103,871,710.80 is: 155,807,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,790.80 : 168,404,686.20 = 103,871,710.80 : x
  2. Step 2: Convert to fraction form
    112,269,790.80/168,404,686.20 = 103,871,710.80/x
  3. Step 3: Cross multiply
    112,269,790.80x = 168,404,686.20 × 103,871,710.80
  4. Step 4: Simplify right side
    112,269,790.80x = 17,492,482,862,331,150
  5. Step 5: Solve for x
    x = 17,492,482,862,331,150/112,269,790.80
  6. Step 6: Final answer
    x = 155,807,566.20

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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.