Home / 84,515,598.42-116,740,931.79-69,890,342.10

Finding the Fourth Proportional to 84,515,598.42, 116,740,931.79 and 69,890,342.10

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Solution

The fourth proportional to 84,515,598.42, 116,740,931.79 and 69,890,342.10 is: 96,539,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,515,598.42 : 116,740,931.79 = 69,890,342.10 : x
  2. Step 2: Convert to fraction form
    84,515,598.42/116,740,931.79 = 69,890,342.10/x
  3. Step 3: Cross multiply
    84,515,598.42x = 116,740,931.79 × 69,890,342.10
  4. Step 4: Simplify right side
    84,515,598.42x = 8,159,063,659,875,865
  5. Step 5: Solve for x
    x = 8,159,063,659,875,865/84,515,598.42
  6. Step 6: Final answer
    x = 96,539,145.58

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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.