Home / 85,333,376.50-128,016,210.40-27,055,732.90

Finding the Fourth Proportional to 85,333,376.50, 128,016,210.40 and 27,055,732.90

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Solution

The fourth proportional to 85,333,376.50, 128,016,210.40 and 27,055,732.90 is: 40,588,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,333,376.50 : 128,016,210.40 = 27,055,732.90 : x
  2. Step 2: Convert to fraction form
    85,333,376.50/128,016,210.40 = 27,055,732.90/x
  3. Step 3: Cross multiply
    85,333,376.50x = 128,016,210.40 × 27,055,732.90
  4. Step 4: Simplify right side
    85,333,376.50x = 3,463,572,395,452,602
  5. Step 5: Solve for x
    x = 3,463,572,395,452,602/85,333,376.50
  6. Step 6: Final answer
    x = 40,588,718.48

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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.