Home / 213,142,226.02-319,138,498.95-139,182,795.94

Finding the Fourth Proportional to 213,142,226.02, 319,138,498.95 and 139,182,795.94

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Solution

The fourth proportional to 213,142,226.02, 319,138,498.95 and 139,182,795.94 is: 208,398,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,142,226.02 : 319,138,498.95 = 139,182,795.94 : x
  2. Step 2: Convert to fraction form
    213,142,226.02/319,138,498.95 = 139,182,795.94/x
  3. Step 3: Cross multiply
    213,142,226.02x = 319,138,498.95 × 139,182,795.94
  4. Step 4: Simplify right side
    213,142,226.02x = 44,418,588,575,955,752
  5. Step 5: Solve for x
    x = 44,418,588,575,955,752/213,142,226.02
  6. Step 6: Final answer
    x = 208,398,820.85

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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.