Home / 124,429,603.60-186,317,813.40-87,840,413.20

Finding the Fourth Proportional to 124,429,603.60, 186,317,813.40 and 87,840,413.20

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Solution

The fourth proportional to 124,429,603.60, 186,317,813.40 and 87,840,413.20 is: 131,530,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,429,603.60 : 186,317,813.40 = 87,840,413.20 : x
  2. Step 2: Convert to fraction form
    124,429,603.60/186,317,813.40 = 87,840,413.20/x
  3. Step 3: Cross multiply
    124,429,603.60x = 186,317,813.40 × 87,840,413.20
  4. Step 4: Simplify right side
    124,429,603.60x = 16,366,233,715,576,498
  5. Step 5: Solve for x
    x = 16,366,233,715,576,498/124,429,603.60
  6. Step 6: Final answer
    x = 131,530,063.92

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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.