Home / 84,800,670.47-117,038,808.59-70,649,415.64

Finding the Fourth Proportional to 84,800,670.47, 117,038,808.59 and 70,649,415.64

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Solution

The fourth proportional to 84,800,670.47, 117,038,808.59 and 70,649,415.64 is: 97,507,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,800,670.47 : 117,038,808.59 = 70,649,415.64 : x
  2. Step 2: Convert to fraction form
    84,800,670.47/117,038,808.59 = 70,649,415.64/x
  3. Step 3: Cross multiply
    84,800,670.47x = 117,038,808.59 × 70,649,415.64
  4. Step 4: Simplify right side
    84,800,670.47x = 8,268,723,433,439,468
  5. Step 5: Solve for x
    x = 8,268,723,433,439,468/84,800,670.47
  6. Step 6: Final answer
    x = 97,507,760.11

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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.