Home / 155,281,451.30-232,724,362.80-82,533,083.30

Finding the Fourth Proportional to 155,281,451.30, 232,724,362.80 and 82,533,083.30

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Solution

The fourth proportional to 155,281,451.30, 232,724,362.80 and 82,533,083.30 is: 123,694,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,281,451.30 : 232,724,362.80 = 82,533,083.30 : x
  2. Step 2: Convert to fraction form
    155,281,451.30/232,724,362.80 = 82,533,083.30/x
  3. Step 3: Cross multiply
    155,281,451.30x = 232,724,362.80 × 82,533,083.30
  4. Step 4: Simplify right side
    155,281,451.30x = 19,207,459,220,911,820
  5. Step 5: Solve for x
    x = 19,207,459,220,911,820/155,281,451.30
  6. Step 6: Final answer
    x = 123,694,485.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.