Home / 85,437,254.41-117,900,643.47-47,759,416.12

Finding the Fourth Proportional to 85,437,254.41, 117,900,643.47 and 47,759,416.12

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Solution

The fourth proportional to 85,437,254.41, 117,900,643.47 and 47,759,416.12 is: 65,906,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,437,254.41 : 117,900,643.47 = 47,759,416.12 : x
  2. Step 2: Convert to fraction form
    85,437,254.41/117,900,643.47 = 47,759,416.12/x
  3. Step 3: Cross multiply
    85,437,254.41x = 117,900,643.47 × 47,759,416.12
  4. Step 4: Simplify right side
    85,437,254.41x = 5,630,865,892,299,490
  5. Step 5: Solve for x
    x = 5,630,865,892,299,490/85,437,254.41
  6. Step 6: Final answer
    x = 65,906,447.15

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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.