Home / 163,620,002.80-245,430,004.20-77,526,560.80

Finding the Fourth Proportional to 163,620,002.80, 245,430,004.20 and 77,526,560.80

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Solution

The fourth proportional to 163,620,002.80, 245,430,004.20 and 77,526,560.80 is: 116,289,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,620,002.80 : 245,430,004.20 = 77,526,560.80 : x
  2. Step 2: Convert to fraction form
    163,620,002.80/245,430,004.20 = 77,526,560.80/x
  3. Step 3: Cross multiply
    163,620,002.80x = 245,430,004.20 × 77,526,560.80
  4. Step 4: Simplify right side
    163,620,002.80x = 19,027,344,142,755,552
  5. Step 5: Solve for x
    x = 19,027,344,142,755,552/163,620,002.80
  6. Step 6: Final answer
    x = 116,289,841.20

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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.