Home / 93,128,673.92-128,517,688.68-50,742,032.72

Finding the Fourth Proportional to 93,128,673.92, 128,517,688.68 and 50,742,032.72

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Solution

The fourth proportional to 93,128,673.92, 128,517,688.68 and 50,742,032.72 is: 70,024,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,128,673.92 : 128,517,688.68 = 50,742,032.72 : x
  2. Step 2: Convert to fraction form
    93,128,673.92/128,517,688.68 = 50,742,032.72/x
  3. Step 3: Cross multiply
    93,128,673.92x = 128,517,688.68 × 50,742,032.72
  4. Step 4: Simplify right side
    93,128,673.92x = 6,521,248,764,099,334
  5. Step 5: Solve for x
    x = 6,521,248,764,099,334/93,128,673.92
  6. Step 6: Final answer
    x = 70,024,069.81

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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.