Home / 212,216,961.63-292,856,407.29-119,397,248.04

Finding the Fourth Proportional to 212,216,961.63, 292,856,407.29 and 119,397,248.04

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Solution

The fourth proportional to 212,216,961.63, 292,856,407.29 and 119,397,248.04 is: 164,766,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,216,961.63 : 292,856,407.29 = 119,397,248.04 : x
  2. Step 2: Convert to fraction form
    212,216,961.63/292,856,407.29 = 119,397,248.04/x
  3. Step 3: Cross multiply
    212,216,961.63x = 292,856,407.29 × 119,397,248.04
  4. Step 4: Simplify right side
    212,216,961.63x = 34,966,249,101,307,400
  5. Step 5: Solve for x
    x = 34,966,249,101,307,400/212,216,961.63
  6. Step 6: Final answer
    x = 164,766,514.57

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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.