Home / 112,269,148.80-168,403,723.20-103,871,068.80

Finding the Fourth Proportional to 112,269,148.80, 168,403,723.20 and 103,871,068.80

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Solution

The fourth proportional to 112,269,148.80, 168,403,723.20 and 103,871,068.80 is: 155,806,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,148.80 : 168,403,723.20 = 103,871,068.80 : x
  2. Step 2: Convert to fraction form
    112,269,148.80/168,403,723.20 = 103,871,068.80/x
  3. Step 3: Cross multiply
    112,269,148.80x = 168,403,723.20 × 103,871,068.80
  4. Step 4: Simplify right side
    112,269,148.80x = 17,492,274,718,683,354
  5. Step 5: Solve for x
    x = 17,492,274,718,683,354/112,269,148.80
  6. Step 6: Final answer
    x = 155,806,603.20

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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.