Home / 52,176,021.40-78,264,032.10-46,436,458.60

Finding the Fourth Proportional to 52,176,021.40, 78,264,032.10 and 46,436,458.60

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Solution

The fourth proportional to 52,176,021.40, 78,264,032.10 and 46,436,458.60 is: 69,654,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176,021.40 : 78,264,032.10 = 46,436,458.60 : x
  2. Step 2: Convert to fraction form
    52,176,021.40/78,264,032.10 = 46,436,458.60/x
  3. Step 3: Cross multiply
    52,176,021.40x = 78,264,032.10 × 46,436,458.60
  4. Step 4: Simplify right side
    52,176,021.40x = 3,634,304,486,480,721
  5. Step 5: Solve for x
    x = 3,634,304,486,480,721/52,176,021.40
  6. Step 6: Final answer
    x = 69,654,687.90

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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.