Home / 113,620,161.78-170,437,417.25-48,029,068.80

Finding the Fourth Proportional to 113,620,161.78, 170,437,417.25 and 48,029,068.80

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Solution

The fourth proportional to 113,620,161.78, 170,437,417.25 and 48,029,068.80 is: 72,046,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,620,161.78 : 170,437,417.25 = 48,029,068.80 : x
  2. Step 2: Convert to fraction form
    113,620,161.78/170,437,417.25 = 48,029,068.80/x
  3. Step 3: Cross multiply
    113,620,161.78x = 170,437,417.25 × 48,029,068.80
  4. Step 4: Simplify right side
    113,620,161.78x = 8,185,950,438,954,411
  5. Step 5: Solve for x
    x = 8,185,950,438,954,411/113,620,161.78
  6. Step 6: Final answer
    x = 72,046,636.01

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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.