Home / 66,430,144.23-91,673,656.52-37,061,482.87

Finding the Fourth Proportional to 66,430,144.23, 91,673,656.52 and 37,061,482.87

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Solution

The fourth proportional to 66,430,144.23, 91,673,656.52 and 37,061,482.87 is: 51,144,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,144.23 : 91,673,656.52 = 37,061,482.87 : x
  2. Step 2: Convert to fraction form
    66,430,144.23/91,673,656.52 = 37,061,482.87/x
  3. Step 3: Cross multiply
    66,430,144.23x = 91,673,656.52 × 37,061,482.87
  4. Step 4: Simplify right side
    66,430,144.23x = 3,397,561,650,287,875.50
  5. Step 5: Solve for x
    x = 3,397,561,650,287,875.50/66,430,144.23
  6. Step 6: Final answer
    x = 51,144,878.42

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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.