Home / 93,259,020.39-128,697,572.12-51,442,142.42

Finding the Fourth Proportional to 93,259,020.39, 128,697,572.12 and 51,442,142.42

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Solution

The fourth proportional to 93,259,020.39, 128,697,572.12 and 51,442,142.42 is: 70,990,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,259,020.39 : 128,697,572.12 = 51,442,142.42 : x
  2. Step 2: Convert to fraction form
    93,259,020.39/128,697,572.12 = 51,442,142.42/x
  3. Step 3: Cross multiply
    93,259,020.39x = 128,697,572.12 × 51,442,142.42
  4. Step 4: Simplify right side
    93,259,020.39x = 6,620,478,833,204,562
  5. Step 5: Solve for x
    x = 6,620,478,833,204,562/93,259,020.39
  6. Step 6: Final answer
    x = 70,990,224.92

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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.