Home / 159,789,088.07-239,752,681.38-85,926,536.94

Finding the Fourth Proportional to 159,789,088.07, 239,752,681.38 and 85,926,536.94

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Solution

The fourth proportional to 159,789,088.07, 239,752,681.38 and 85,926,536.94 is: 128,926,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,789,088.07 : 239,752,681.38 = 85,926,536.94 : x
  2. Step 2: Convert to fraction form
    159,789,088.07/239,752,681.38 = 85,926,536.94/x
  3. Step 3: Cross multiply
    159,789,088.07x = 239,752,681.38 × 85,926,536.94
  4. Step 4: Simplify right side
    159,789,088.07x = 20,601,117,632,632,988
  5. Step 5: Solve for x
    x = 20,601,117,632,632,988/159,789,088.07
  6. Step 6: Final answer
    x = 128,926,936.64

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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.