Home / 111,038,981.58-166,593,316.14-66,774,213.36

Finding the Fourth Proportional to 111,038,981.58, 166,593,316.14 and 66,774,213.36

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Solution

The fourth proportional to 111,038,981.58, 166,593,316.14 and 66,774,213.36 is: 100,182,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,038,981.58 : 166,593,316.14 = 66,774,213.36 : x
  2. Step 2: Convert to fraction form
    111,038,981.58/166,593,316.14 = 66,774,213.36/x
  3. Step 3: Cross multiply
    111,038,981.58x = 166,593,316.14 × 66,774,213.36
  4. Step 4: Simplify right side
    111,038,981.58x = 11,124,137,636,282,290
  5. Step 5: Solve for x
    x = 11,124,137,636,282,290/111,038,981.58
  6. Step 6: Final answer
    x = 100,182,273.63

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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.