Home / 211,803,519.02-292,204,806.63-122,478,957.86

Finding the Fourth Proportional to 211,803,519.02, 292,204,806.63 and 122,478,957.86

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Solution

The fourth proportional to 211,803,519.02, 292,204,806.63 and 122,478,957.86 is: 168,972,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,803,519.02 : 292,204,806.63 = 122,478,957.86 : x
  2. Step 2: Convert to fraction form
    211,803,519.02/292,204,806.63 = 122,478,957.86/x
  3. Step 3: Cross multiply
    211,803,519.02x = 292,204,806.63 × 122,478,957.86
  4. Step 4: Simplify right side
    211,803,519.02x = 35,788,940,197,725,216
  5. Step 5: Solve for x
    x = 35,788,940,197,725,216/211,803,519.02
  6. Step 6: Final answer
    x = 168,972,358.74

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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.