Home / 38,880,071.20-58,320,106.80-31,699,712.80

Finding the Fourth Proportional to 38,880,071.20, 58,320,106.80 and 31,699,712.80

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Solution

The fourth proportional to 38,880,071.20, 58,320,106.80 and 31,699,712.80 is: 47,549,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880,071.20 : 58,320,106.80 = 31,699,712.80 : x
  2. Step 2: Convert to fraction form
    38,880,071.20/58,320,106.80 = 31,699,712.80/x
  3. Step 3: Cross multiply
    38,880,071.20x = 58,320,106.80 × 31,699,712.80
  4. Step 4: Simplify right side
    38,880,071.20x = 1,848,730,636,025,327
  5. Step 5: Solve for x
    x = 1,848,730,636,025,327/38,880,071.20
  6. Step 6: Final answer
    x = 47,549,569.20

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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.