Home / 72,586,256.40-108,753,413.40-61,248,848.40

Finding the Fourth Proportional to 72,586,256.40, 108,753,413.40 and 61,248,848.40

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Solution

The fourth proportional to 72,586,256.40, 108,753,413.40 and 61,248,848.40 is: 91,766,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,586,256.40 : 108,753,413.40 = 61,248,848.40 : x
  2. Step 2: Convert to fraction form
    72,586,256.40/108,753,413.40 = 61,248,848.40/x
  3. Step 3: Cross multiply
    72,586,256.40x = 108,753,413.40 × 61,248,848.40
  4. Step 4: Simplify right side
    72,586,256.40x = 6,661,021,330,319,129
  5. Step 5: Solve for x
    x = 6,661,021,330,319,129/72,586,256.40
  6. Step 6: Final answer
    x = 91,766,977.12

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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.