Home / 159,509,477.61-239,168,557.04-73,139,686.29

Finding the Fourth Proportional to 159,509,477.61, 239,168,557.04 and 73,139,686.29

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Solution

The fourth proportional to 159,509,477.61, 239,168,557.04 and 73,139,686.29 is: 109,665,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,509,477.61 : 239,168,557.04 = 73,139,686.29 : x
  2. Step 2: Convert to fraction form
    159,509,477.61/239,168,557.04 = 73,139,686.29/x
  3. Step 3: Cross multiply
    159,509,477.61x = 239,168,557.04 × 73,139,686.29
  4. Step 4: Simplify right side
    159,509,477.61x = 17,492,713,231,971,874
  5. Step 5: Solve for x
    x = 17,492,713,231,971,874/159,509,477.61
  6. Step 6: Final answer
    x = 109,665,666.86

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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.