Home / 81,869,402.36-112,989,682.40-46,595,784.19

Finding the Fourth Proportional to 81,869,402.36, 112,989,682.40 and 46,595,784.19

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Solution

The fourth proportional to 81,869,402.36, 112,989,682.40 and 46,595,784.19 is: 64,307,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869,402.36 : 112,989,682.40 = 46,595,784.19 : x
  2. Step 2: Convert to fraction form
    81,869,402.36/112,989,682.40 = 46,595,784.19/x
  3. Step 3: Cross multiply
    81,869,402.36x = 112,989,682.40 × 46,595,784.19
  4. Step 4: Simplify right side
    81,869,402.36x = 5,264,842,856,807,041
  5. Step 5: Solve for x
    x = 5,264,842,856,807,041/81,869,402.36
  6. Step 6: Final answer
    x = 64,307,820.81

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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.