Home / 65,207,904.93-90,065,830.64-47,538,825.75

Finding the Fourth Proportional to 65,207,904.93, 90,065,830.64 and 47,538,825.75

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Solution

The fourth proportional to 65,207,904.93, 90,065,830.64 and 47,538,825.75 is: 65,661,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207,904.93 : 90,065,830.64 = 47,538,825.75 : x
  2. Step 2: Convert to fraction form
    65,207,904.93/90,065,830.64 = 47,538,825.75/x
  3. Step 3: Cross multiply
    65,207,904.93x = 90,065,830.64 × 47,538,825.75
  4. Step 4: Simplify right side
    65,207,904.93x = 4,281,623,828,586,277
  5. Step 5: Solve for x
    x = 4,281,623,828,586,277/65,207,904.93
  6. Step 6: Final answer
    x = 65,661,116.29

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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.