Home / 127,904,468.28-176,528,033.48-83,978,894.04

Finding the Fourth Proportional to 127,904,468.28, 176,528,033.48 and 83,978,894.04

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Solution

The fourth proportional to 127,904,468.28, 176,528,033.48 and 83,978,894.04 is: 115,903,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904,468.28 : 176,528,033.48 = 83,978,894.04 : x
  2. Step 2: Convert to fraction form
    127,904,468.28/176,528,033.48 = 83,978,894.04/x
  3. Step 3: Cross multiply
    127,904,468.28x = 176,528,033.48 × 83,978,894.04
  4. Step 4: Simplify right side
    127,904,468.28x = 14,824,629,018,706,492
  5. Step 5: Solve for x
    x = 14,824,629,018,706,492/127,904,468.28
  6. Step 6: Final answer
    x = 115,903,918.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.