Home / 61,770,684.60-85,208,128.47-38,525,455.26

Finding the Fourth Proportional to 61,770,684.60, 85,208,128.47 and 38,525,455.26

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Solution

The fourth proportional to 61,770,684.60, 85,208,128.47 and 38,525,455.26 is: 53,143,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,770,684.60 : 85,208,128.47 = 38,525,455.26 : x
  2. Step 2: Convert to fraction form
    61,770,684.60/85,208,128.47 = 38,525,455.26/x
  3. Step 3: Cross multiply
    61,770,684.60x = 85,208,128.47 × 38,525,455.26
  4. Step 4: Simplify right side
    61,770,684.60x = 3,282,681,941,159,317
  5. Step 5: Solve for x
    x = 3,282,681,941,159,317/61,770,684.60
  6. Step 6: Final answer
    x = 53,143,039.65

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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.