Home / 76,447,780.40-114,704,848.20-38,625,316.40

Finding the Fourth Proportional to 76,447,780.40, 114,704,848.20 and 38,625,316.40

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Solution

The fourth proportional to 76,447,780.40, 114,704,848.20 and 38,625,316.40 is: 57,954,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,447,780.40 : 114,704,848.20 = 38,625,316.40 : x
  2. Step 2: Convert to fraction form
    76,447,780.40/114,704,848.20 = 38,625,316.40/x
  3. Step 3: Cross multiply
    76,447,780.40x = 114,704,848.20 × 38,625,316.40
  4. Step 4: Simplify right side
    76,447,780.40x = 4,430,511,054,338,970.50
  5. Step 5: Solve for x
    x = 4,430,511,054,338,970.50/76,447,780.40
  6. Step 6: Final answer
    x = 57,954,737.62

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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.