Home / 292,032,012.80-438,048,019.20-148,704,780.80

Finding the Fourth Proportional to 292,032,012.80, 438,048,019.20 and 148,704,780.80

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Solution

The fourth proportional to 292,032,012.80, 438,048,019.20 and 148,704,780.80 is: 223,057,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,032,012.80 : 438,048,019.20 = 148,704,780.80 : x
  2. Step 2: Convert to fraction form
    292,032,012.80/438,048,019.20 = 148,704,780.80/x
  3. Step 3: Cross multiply
    292,032,012.80x = 438,048,019.20 × 148,704,780.80
  4. Step 4: Simplify right side
    292,032,012.80x = 65,139,834,675,010,192
  5. Step 5: Solve for x
    x = 65,139,834,675,010,192/292,032,012.80
  6. Step 6: Final answer
    x = 223,057,171.20

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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.