Home / 123,579,062.76-170,547,078.22-68,574,919.26

Finding the Fourth Proportional to 123,579,062.76, 170,547,078.22 and 68,574,919.26

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Solution

The fourth proportional to 123,579,062.76, 170,547,078.22 and 68,574,919.26 is: 94,637,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,579,062.76 : 170,547,078.22 = 68,574,919.26 : x
  2. Step 2: Convert to fraction form
    123,579,062.76/170,547,078.22 = 68,574,919.26/x
  3. Step 3: Cross multiply
    123,579,062.76x = 170,547,078.22 × 68,574,919.26
  4. Step 4: Simplify right side
    123,579,062.76x = 11,695,252,118,965,406
  5. Step 5: Solve for x
    x = 11,695,252,118,965,406/123,579,062.76
  6. Step 6: Final answer
    x = 94,637,812.08

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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.