Home / 315,552,707.40-473,105,112.30-121,389,097.80

Finding the Fourth Proportional to 315,552,707.40, 473,105,112.30 and 121,389,097.80

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Solution

The fourth proportional to 315,552,707.40, 473,105,112.30 and 121,389,097.80 is: 181,997,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,552,707.40 : 473,105,112.30 = 121,389,097.80 : x
  2. Step 2: Convert to fraction form
    315,552,707.40/473,105,112.30 = 121,389,097.80/x
  3. Step 3: Cross multiply
    315,552,707.40x = 473,105,112.30 × 121,389,097.80
  4. Step 4: Simplify right side
    315,552,707.40x = 57,429,802,746,664,680
  5. Step 5: Solve for x
    x = 57,429,802,746,664,680/315,552,707.40
  6. Step 6: Final answer
    x = 181,997,496.46

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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.