Home / 315,257,959.37-472,932,070.54-96,926,635.63

Finding the Fourth Proportional to 315,257,959.37, 472,932,070.54 and 96,926,635.63

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Solution

The fourth proportional to 315,257,959.37, 472,932,070.54 and 96,926,635.63 is: 145,403,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,257,959.37 : 472,932,070.54 = 96,926,635.63 : x
  2. Step 2: Convert to fraction form
    315,257,959.37/472,932,070.54 = 96,926,635.63/x
  3. Step 3: Cross multiply
    315,257,959.37x = 472,932,070.54 × 96,926,635.63
  4. Step 4: Simplify right side
    315,257,959.37x = 45,839,714,478,972,040
  5. Step 5: Solve for x
    x = 45,839,714,478,972,040/315,257,959.37
  6. Step 6: Final answer
    x = 145,403,829.20

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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.