Home / 160,393,521.53-221,337,139.07-87,053,088.89

Finding the Fourth Proportional to 160,393,521.53, 221,337,139.07 and 87,053,088.89

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Solution

The fourth proportional to 160,393,521.53, 221,337,139.07 and 87,053,088.89 is: 120,130,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,393,521.53 : 221,337,139.07 = 87,053,088.89 : x
  2. Step 2: Convert to fraction form
    160,393,521.53/221,337,139.07 = 87,053,088.89/x
  3. Step 3: Cross multiply
    160,393,521.53x = 221,337,139.07 × 87,053,088.89
  4. Step 4: Simplify right side
    160,393,521.53x = 19,268,081,641,683,736
  5. Step 5: Solve for x
    x = 19,268,081,641,683,736/160,393,521.53
  6. Step 6: Final answer
    x = 120,130,049.26

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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.