Home / 105,069,124.80-157,178,534.40-92,314,540.80

Finding the Fourth Proportional to 105,069,124.80, 157,178,534.40 and 92,314,540.80

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Solution

The fourth proportional to 105,069,124.80, 157,178,534.40 and 92,314,540.80 is: 138,098,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,069,124.80 : 157,178,534.40 = 92,314,540.80 : x
  2. Step 2: Convert to fraction form
    105,069,124.80/157,178,534.40 = 92,314,540.80/x
  3. Step 3: Cross multiply
    105,069,124.80x = 157,178,534.40 × 92,314,540.80
  4. Step 4: Simplify right side
    105,069,124.80x = 14,509,864,226,753,004
  5. Step 5: Solve for x
    x = 14,509,864,226,753,004/105,069,124.80
  6. Step 6: Final answer
    x = 138,098,268.68

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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.