Home / 147,190,547.39-220,785,026.03-84,901,489.58

Finding the Fourth Proportional to 147,190,547.39, 220,785,026.03 and 84,901,489.58

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Solution

The fourth proportional to 147,190,547.39, 220,785,026.03 and 84,901,489.58 is: 127,351,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,190,547.39 : 220,785,026.03 = 84,901,489.58 : x
  2. Step 2: Convert to fraction form
    147,190,547.39/220,785,026.03 = 84,901,489.58/x
  3. Step 3: Cross multiply
    147,190,547.39x = 220,785,026.03 × 84,901,489.58
  4. Step 4: Simplify right side
    147,190,547.39x = 18,744,977,587,033,528
  5. Step 5: Solve for x
    x = 18,744,977,587,033,528/147,190,547.39
  6. Step 6: Final answer
    x = 127,351,775.77

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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.