Home / 115,596,772.12-159,369,224.74-91,833,247.02

Finding the Fourth Proportional to 115,596,772.12, 159,369,224.74 and 91,833,247.02

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Solution

The fourth proportional to 115,596,772.12, 159,369,224.74 and 91,833,247.02 is: 126,607,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,596,772.12 : 159,369,224.74 = 91,833,247.02 : x
  2. Step 2: Convert to fraction form
    115,596,772.12/159,369,224.74 = 91,833,247.02/x
  3. Step 3: Cross multiply
    115,596,772.12x = 159,369,224.74 × 91,833,247.02
  4. Step 4: Simplify right side
    115,596,772.12x = 14,635,393,382,934,316
  5. Step 5: Solve for x
    x = 14,635,393,382,934,316/115,596,772.12
  6. Step 6: Final answer
    x = 126,607,284.22

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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.