Home / 86,142,857.76-118,878,560.28-46,984,633.92

Finding the Fourth Proportional to 86,142,857.76, 118,878,560.28 and 46,984,633.92

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Solution

The fourth proportional to 86,142,857.76, 118,878,560.28 and 46,984,633.92 is: 64,839,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,142,857.76 : 118,878,560.28 = 46,984,633.92 : x
  2. Step 2: Convert to fraction form
    86,142,857.76/118,878,560.28 = 46,984,633.92/x
  3. Step 3: Cross multiply
    86,142,857.76x = 118,878,560.28 × 46,984,633.92
  4. Step 4: Simplify right side
    86,142,857.76x = 5,585,465,635,692,453
  5. Step 5: Solve for x
    x = 5,585,465,635,692,453/86,142,857.76
  6. Step 6: Final answer
    x = 64,839,567.45

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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.