Home / 166,637,021.22-249,956,360.16-68,322,428.22

Finding the Fourth Proportional to 166,637,021.22, 249,956,360.16 and 68,322,428.22

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Solution

The fourth proportional to 166,637,021.22, 249,956,360.16 and 68,322,428.22 is: 102,483,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,637,021.22 : 249,956,360.16 = 68,322,428.22 : x
  2. Step 2: Convert to fraction form
    166,637,021.22/249,956,360.16 = 68,322,428.22/x
  3. Step 3: Cross multiply
    166,637,021.22x = 249,956,360.16 × 68,322,428.22
  4. Step 4: Simplify right side
    166,637,021.22x = 17,077,625,475,164,068
  5. Step 5: Solve for x
    x = 17,077,625,475,164,068/166,637,021.22
  6. Step 6: Final answer
    x = 102,483,981.95

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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.