Home / 151,601,547.05-209,210,761.47-81,986,926.49

Finding the Fourth Proportional to 151,601,547.05, 209,210,761.47 and 81,986,926.49

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Solution

The fourth proportional to 151,601,547.05, 209,210,761.47 and 81,986,926.49 is: 113,142,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,601,547.05 : 209,210,761.47 = 81,986,926.49 : x
  2. Step 2: Convert to fraction form
    151,601,547.05/209,210,761.47 = 81,986,926.49/x
  3. Step 3: Cross multiply
    151,601,547.05x = 209,210,761.47 × 81,986,926.49
  4. Step 4: Simplify right side
    151,601,547.05x = 17,152,547,320,511,760
  5. Step 5: Solve for x
    x = 17,152,547,320,511,760/151,601,547.05
  6. Step 6: Final answer
    x = 113,142,297.39

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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.