Home / 128,095,492-192,163,144.56-43,014,854.56

Finding the Fourth Proportional to 128,095,492, 192,163,144.56 and 43,014,854.56

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Solution

The fourth proportional to 128,095,492, 192,163,144.56 and 43,014,854.56 is: 64,528,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,095,492 : 192,163,144.56 = 43,014,854.56 : x
  2. Step 2: Convert to fraction form
    128,095,492/192,163,144.56 = 43,014,854.56/x
  3. Step 3: Cross multiply
    128,095,492x = 192,163,144.56 × 43,014,854.56
  4. Step 4: Simplify right side
    128,095,492x = 8,265,869,715,040,656
  5. Step 5: Solve for x
    x = 8,265,869,715,040,656/128,095,492
  6. Step 6: Final answer
    x = 64,528,966.52

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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.