Home / 85,590,212.32-118,104,528.36-47,915,439.28

Finding the Fourth Proportional to 85,590,212.32, 118,104,528.36 and 47,915,439.28

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Solution

The fourth proportional to 85,590,212.32, 118,104,528.36 and 47,915,439.28 is: 66,117,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590,212.32 : 118,104,528.36 = 47,915,439.28 : x
  2. Step 2: Convert to fraction form
    85,590,212.32/118,104,528.36 = 47,915,439.28/x
  3. Step 3: Cross multiply
    85,590,212.32x = 118,104,528.36 × 47,915,439.28
  4. Step 4: Simplify right side
    85,590,212.32x = 5,659,030,357,326,618
  5. Step 5: Solve for x
    x = 5,659,030,357,326,618/85,590,212.32
  6. Step 6: Final answer
    x = 66,117,727.76

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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.