Home / 66,881,456.34-100,289,362.58-27,482,572.75

Finding the Fourth Proportional to 66,881,456.34, 100,289,362.58 and 27,482,572.75

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Solution

The fourth proportional to 66,881,456.34, 100,289,362.58 and 27,482,572.75 is: 41,210,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,881,456.34 : 100,289,362.58 = 27,482,572.75 : x
  2. Step 2: Convert to fraction form
    66,881,456.34/100,289,362.58 = 27,482,572.75/x
  3. Step 3: Cross multiply
    66,881,456.34x = 100,289,362.58 × 27,482,572.75
  4. Step 4: Simplify right side
    66,881,456.34x = 2,756,209,702,776,829.50
  5. Step 5: Solve for x
    x = 2,756,209,702,776,829.50/66,881,456.34
  6. Step 6: Final answer
    x = 41,210,372.11

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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.