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Finding the Fourth Proportional to 162,984,653.80, 244,392,999.90 and 60,696,039.40

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Solution

The fourth proportional to 162,984,653.80, 244,392,999.90 and 60,696,039.40 is: 91,012,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,984,653.80 : 244,392,999.90 = 60,696,039.40 : x
  2. Step 2: Convert to fraction form
    162,984,653.80/244,392,999.90 = 60,696,039.40/x
  3. Step 3: Cross multiply
    162,984,653.80x = 244,392,999.90 × 60,696,039.40
  4. Step 4: Simplify right side
    162,984,653.80x = 14,833,687,151,014,596
  5. Step 5: Solve for x
    x = 14,833,687,151,014,596/162,984,653.80
  6. Step 6: Final answer
    x = 91,012,784.36

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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.