Home / 93,259,021.89-128,697,574.19-51,442,143.92

Finding the Fourth Proportional to 93,259,021.89, 128,697,574.19 and 51,442,143.92

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Solution

The fourth proportional to 93,259,021.89, 128,697,574.19 and 51,442,143.92 is: 70,990,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,259,021.89 : 128,697,574.19 = 51,442,143.92 : x
  2. Step 2: Convert to fraction form
    93,259,021.89/128,697,574.19 = 51,442,143.92/x
  3. Step 3: Cross multiply
    93,259,021.89x = 128,697,574.19 × 51,442,143.92
  4. Step 4: Simplify right side
    93,259,021.89x = 6,620,479,132,736,159
  5. Step 5: Solve for x
    x = 6,620,479,132,736,159/93,259,021.89
  6. Step 6: Final answer
    x = 70,990,226.99

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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.