Home / 77,078,586.36-115,617,967.02-25,956,324.12

Finding the Fourth Proportional to 77,078,586.36, 115,617,967.02 and 25,956,324.12

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Solution

The fourth proportional to 77,078,586.36, 115,617,967.02 and 25,956,324.12 is: 38,934,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,078,586.36 : 115,617,967.02 = 25,956,324.12 : x
  2. Step 2: Convert to fraction form
    77,078,586.36/115,617,967.02 = 25,956,324.12/x
  3. Step 3: Cross multiply
    77,078,586.36x = 115,617,967.02 × 25,956,324.12
  4. Step 4: Simplify right side
    77,078,586.36x = 3,001,017,426,066,590.50
  5. Step 5: Solve for x
    x = 3,001,017,426,066,590.50/77,078,586.36
  6. Step 6: Final answer
    x = 38,934,515.64

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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.