Home / 152,252,578.69-210,072,543.53-86,173,076.97

Finding the Fourth Proportional to 152,252,578.69, 210,072,543.53 and 86,173,076.97

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Solution

The fourth proportional to 152,252,578.69, 210,072,543.53 and 86,173,076.97 is: 118,898,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,252,578.69 : 210,072,543.53 = 86,173,076.97 : x
  2. Step 2: Convert to fraction form
    152,252,578.69/210,072,543.53 = 86,173,076.97/x
  3. Step 3: Cross multiply
    152,252,578.69x = 210,072,543.53 × 86,173,076.97
  4. Step 4: Simplify right side
    152,252,578.69x = 18,102,597,463,109,796
  5. Step 5: Solve for x
    x = 18,102,597,463,109,796/152,252,578.69
  6. Step 6: Final answer
    x = 118,898,462.14

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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.