Home / 102,831,520.30-141,907,767.51-55,788,591.40

Finding the Fourth Proportional to 102,831,520.30, 141,907,767.51 and 55,788,591.40

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Solution

The fourth proportional to 102,831,520.30, 141,907,767.51 and 55,788,591.40 is: 76,988,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,831,520.30 : 141,907,767.51 = 55,788,591.40 : x
  2. Step 2: Convert to fraction form
    102,831,520.30/141,907,767.51 = 55,788,591.40/x
  3. Step 3: Cross multiply
    102,831,520.30x = 141,907,767.51 × 55,788,591.40
  4. Step 4: Simplify right side
    102,831,520.30x = 7,916,834,458,101,585
  5. Step 5: Solve for x
    x = 7,916,834,458,101,585/102,831,520.30
  6. Step 6: Final answer
    x = 76,988,402.34

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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.