Home / 64,662,612.31-97,009,361.43-21,532,189.38

Finding the Fourth Proportional to 64,662,612.31, 97,009,361.43 and 21,532,189.38

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Solution

The fourth proportional to 64,662,612.31, 97,009,361.43 and 21,532,189.38 is: 32,303,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,662,612.31 : 97,009,361.43 = 21,532,189.38 : x
  2. Step 2: Convert to fraction form
    64,662,612.31/97,009,361.43 = 21,532,189.38/x
  3. Step 3: Cross multiply
    64,662,612.31x = 97,009,361.43 × 21,532,189.38
  4. Step 4: Simplify right side
    64,662,612.31x = 2,088,823,941,943,627.75
  5. Step 5: Solve for x
    x = 2,088,823,941,943,627.75/64,662,612.31
  6. Step 6: Final answer
    x = 32,303,426.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.