Home / 135,306,317.61-186,722,840.40-73,426,656.78

Finding the Fourth Proportional to 135,306,317.61, 186,722,840.40 and 73,426,656.78

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Solution

The fourth proportional to 135,306,317.61, 186,722,840.40 and 73,426,656.78 is: 101,328,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,306,317.61 : 186,722,840.40 = 73,426,656.78 : x
  2. Step 2: Convert to fraction form
    135,306,317.61/186,722,840.40 = 73,426,656.78/x
  3. Step 3: Cross multiply
    135,306,317.61x = 186,722,840.40 × 73,426,656.78
  4. Step 4: Simplify right side
    135,306,317.61x = 13,710,433,915,037,518
  5. Step 5: Solve for x
    x = 13,710,433,915,037,518/135,306,317.61
  6. Step 6: Final answer
    x = 101,328,852.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.