Home / 221,866,395.71-306,181,312.20-133,766,042.22

Finding the Fourth Proportional to 221,866,395.71, 306,181,312.20 and 133,766,042.22

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Solution

The fourth proportional to 221,866,395.71, 306,181,312.20 and 133,766,042.22 is: 184,600,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,866,395.71 : 306,181,312.20 = 133,766,042.22 : x
  2. Step 2: Convert to fraction form
    221,866,395.71/306,181,312.20 = 133,766,042.22/x
  3. Step 3: Cross multiply
    221,866,395.71x = 306,181,312.20 × 133,766,042.22
  4. Step 4: Simplify right side
    221,866,395.71x = 40,956,662,334,720,200
  5. Step 5: Solve for x
    x = 40,956,662,334,720,200/221,866,395.71
  6. Step 6: Final answer
    x = 184,600,566.50

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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.