Home / 163,555,794.80-245,333,692.20-117,639,292.40

Finding the Fourth Proportional to 163,555,794.80, 245,333,692.20 and 117,639,292.40

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Solution

The fourth proportional to 163,555,794.80, 245,333,692.20 and 117,639,292.40 is: 176,458,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,794.80 : 245,333,692.20 = 117,639,292.40 : x
  2. Step 2: Convert to fraction form
    163,555,794.80/245,333,692.20 = 117,639,292.40/x
  3. Step 3: Cross multiply
    163,555,794.80x = 245,333,692.20 × 117,639,292.40
  4. Step 4: Simplify right side
    163,555,794.80x = 28,860,881,952,287,400
  5. Step 5: Solve for x
    x = 28,860,881,952,287,400/163,555,794.80
  6. Step 6: Final answer
    x = 176,458,938.60

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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.