Home / 348,020,097.28-480,280,361.92-199,369,947.92

Finding the Fourth Proportional to 348,020,097.28, 480,280,361.92 and 199,369,947.92

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Solution

The fourth proportional to 348,020,097.28, 480,280,361.92 and 199,369,947.92 is: 275,137,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,020,097.28 : 480,280,361.92 = 199,369,947.92 : x
  2. Step 2: Convert to fraction form
    348,020,097.28/480,280,361.92 = 199,369,947.92/x
  3. Step 3: Cross multiply
    348,020,097.28x = 480,280,361.92 × 199,369,947.92
  4. Step 4: Simplify right side
    348,020,097.28x = 95,753,470,742,989,152
  5. Step 5: Solve for x
    x = 95,753,470,742,989,152/348,020,097.28
  6. Step 6: Final answer
    x = 275,137,762.13

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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.