Home / 192,300,840.43-265,466,658.99-128,830,468.08

Finding the Fourth Proportional to 192,300,840.43, 265,466,658.99 and 128,830,468.08

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Solution

The fourth proportional to 192,300,840.43, 265,466,658.99 and 128,830,468.08 is: 177,847,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,300,840.43 : 265,466,658.99 = 128,830,468.08 : x
  2. Step 2: Convert to fraction form
    192,300,840.43/265,466,658.99 = 128,830,468.08/x
  3. Step 3: Cross multiply
    192,300,840.43x = 265,466,658.99 × 128,830,468.08
  4. Step 4: Simplify right side
    192,300,840.43x = 34,200,193,937,315,440
  5. Step 5: Solve for x
    x = 34,200,193,937,315,440/192,300,840.43
  6. Step 6: Final answer
    x = 177,847,345.13

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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.