Home / 155,535,763.41-214,645,874.87-89,456,280.12

Finding the Fourth Proportional to 155,535,763.41, 214,645,874.87 and 89,456,280.12

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Solution

The fourth proportional to 155,535,763.41, 214,645,874.87 and 89,456,280.12 is: 123,453,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,535,763.41 : 214,645,874.87 = 89,456,280.12 : x
  2. Step 2: Convert to fraction form
    155,535,763.41/214,645,874.87 = 89,456,280.12/x
  3. Step 3: Cross multiply
    155,535,763.41x = 214,645,874.87 × 89,456,280.12
  4. Step 4: Simplify right side
    155,535,763.41x = 19,201,421,509,196,832
  5. Step 5: Solve for x
    x = 19,201,421,509,196,832/155,535,763.41
  6. Step 6: Final answer
    x = 123,453,417.32

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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.