Home / 221,932,532.52-333,030,312-123,646,505.40

Finding the Fourth Proportional to 221,932,532.52, 333,030,312 and 123,646,505.40

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Solution

The fourth proportional to 221,932,532.52, 333,030,312 and 123,646,505.40 is: 185,543,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,932,532.52 : 333,030,312 = 123,646,505.40 : x
  2. Step 2: Convert to fraction form
    221,932,532.52/333,030,312 = 123,646,505.40/x
  3. Step 3: Cross multiply
    221,932,532.52x = 333,030,312 × 123,646,505.40
  4. Step 4: Simplify right side
    221,932,532.52x = 41,178,034,271,071,688
  5. Step 5: Solve for x
    x = 41,178,034,271,071,688/221,932,532.52
  6. Step 6: Final answer
    x = 185,543,028.79

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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.