Home / 75,168,413.40-112,752,620.10-53,249,424.60

Finding the Fourth Proportional to 75,168,413.40, 112,752,620.10 and 53,249,424.60

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Solution

The fourth proportional to 75,168,413.40, 112,752,620.10 and 53,249,424.60 is: 79,874,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,168,413.40 : 112,752,620.10 = 53,249,424.60 : x
  2. Step 2: Convert to fraction form
    75,168,413.40/112,752,620.10 = 53,249,424.60/x
  3. Step 3: Cross multiply
    75,168,413.40x = 112,752,620.10 × 53,249,424.60
  4. Step 4: Simplify right side
    75,168,413.40x = 6,004,012,142,467,394
  5. Step 5: Solve for x
    x = 6,004,012,142,467,394/75,168,413.40
  6. Step 6: Final answer
    x = 79,874,136.90

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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.