Home / 163,555,660.80-245,333,491.20-117,639,158.40

Finding the Fourth Proportional to 163,555,660.80, 245,333,491.20 and 117,639,158.40

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Solution

The fourth proportional to 163,555,660.80, 245,333,491.20 and 117,639,158.40 is: 176,458,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,660.80 : 245,333,491.20 = 117,639,158.40 : x
  2. Step 2: Convert to fraction form
    163,555,660.80/245,333,491.20 = 117,639,158.40/x
  3. Step 3: Cross multiply
    163,555,660.80x = 245,333,491.20 × 117,639,158.40
  4. Step 4: Simplify right side
    163,555,660.80x = 28,860,825,432,101,808
  5. Step 5: Solve for x
    x = 28,860,825,432,101,808/163,555,660.80
  6. Step 6: Final answer
    x = 176,458,737.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.