Home / 79,415,411.76-109,576,268.40-46,360,660.16

Finding the Fourth Proportional to 79,415,411.76, 109,576,268.40 and 46,360,660.16

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Solution

The fourth proportional to 79,415,411.76, 109,576,268.40 and 46,360,660.16 is: 63,967,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,415,411.76 : 109,576,268.40 = 46,360,660.16 : x
  2. Step 2: Convert to fraction form
    79,415,411.76/109,576,268.40 = 46,360,660.16/x
  3. Step 3: Cross multiply
    79,415,411.76x = 109,576,268.40 × 46,360,660.16
  4. Step 4: Simplify right side
    79,415,411.76x = 5,080,028,140,893,347
  5. Step 5: Solve for x
    x = 5,080,028,140,893,347/79,415,411.76
  6. Step 6: Final answer
    x = 63,967,786.96

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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.