Home / 120,390,271.29-166,133,014.51-68,179,680.69

Finding the Fourth Proportional to 120,390,271.29, 166,133,014.51 and 68,179,680.69

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Solution

The fourth proportional to 120,390,271.29, 166,133,014.51 and 68,179,680.69 is: 94,084,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,390,271.29 : 166,133,014.51 = 68,179,680.69 : x
  2. Step 2: Convert to fraction form
    120,390,271.29/166,133,014.51 = 68,179,680.69/x
  3. Step 3: Cross multiply
    120,390,271.29x = 166,133,014.51 × 68,179,680.69
  4. Step 4: Simplify right side
    120,390,271.29x = 11,326,895,881,358,936
  5. Step 5: Solve for x
    x = 11,326,895,881,358,936/120,390,271.29
  6. Step 6: Final answer
    x = 94,084,810.67

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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.