Home / 66,695,065.09-100,047,643.19-20,641,592.07

Finding the Fourth Proportional to 66,695,065.09, 100,047,643.19 and 20,641,592.07

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Solution

The fourth proportional to 66,695,065.09, 100,047,643.19 and 20,641,592.07 is: 30,963,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,695,065.09 : 100,047,643.19 = 20,641,592.07 : x
  2. Step 2: Convert to fraction form
    66,695,065.09/100,047,643.19 = 20,641,592.07/x
  3. Step 3: Cross multiply
    66,695,065.09x = 100,047,643.19 × 20,641,592.07
  4. Step 4: Simplify right side
    66,695,065.09x = 2,065,142,638,267,091.50
  5. Step 5: Solve for x
    x = 2,065,142,638,267,091.50/66,695,065.09
  6. Step 6: Final answer
    x = 30,963,949.66

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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.