Home / 157,173,676,722.30-235,760,515,083.45-86,401,041,023.10

Finding the Fourth Proportional to 157,173,676,722.30, 235,760,515,083.45 and 86,401,041,023.10

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Solution

The fourth proportional to 157,173,676,722.30, 235,760,515,083.45 and 86,401,041,023.10 is: 129,601,561,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,173,676,722.30 : 235,760,515,083.45 = 86,401,041,023.10 : x
  2. Step 2: Convert to fraction form
    157,173,676,722.30/235,760,515,083.45 = 86,401,041,023.10/x
  3. Step 3: Cross multiply
    157,173,676,722.30x = 235,760,515,083.45 × 86,401,041,023.10
  4. Step 4: Simplify right side
    157,173,676,722.30x = 20,369,953,935,352,351,686,656
  5. Step 5: Solve for x
    x = 20,369,953,935,352,351,686,656/157,173,676,722.30
  6. Step 6: Final answer
    x = 129,601,561,534.65

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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.