Home / 121,210,771.40-181,816,159.32-29,094,509.36

Finding the Fourth Proportional to 121,210,771.40, 181,816,159.32 and 29,094,509.36

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Solution

The fourth proportional to 121,210,771.40, 181,816,159.32 and 29,094,509.36 is: 43,641,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,210,771.40 : 181,816,159.32 = 29,094,509.36 : x
  2. Step 2: Convert to fraction form
    121,210,771.40/181,816,159.32 = 29,094,509.36/x
  3. Step 3: Cross multiply
    121,210,771.40x = 181,816,159.32 × 29,094,509.36
  4. Step 4: Simplify right side
    121,210,771.40x = 5,289,851,949,134,991
  5. Step 5: Solve for x
    x = 5,289,851,949,134,991/121,210,771.40
  6. Step 6: Final answer
    x = 43,641,764.57

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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.