Home / 123,787,423.27-170,830,486.58-68,031,829.20

Finding the Fourth Proportional to 123,787,423.27, 170,830,486.58 and 68,031,829.20

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Solution

The fourth proportional to 123,787,423.27, 170,830,486.58 and 68,031,829.20 is: 93,886,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,787,423.27 : 170,830,486.58 = 68,031,829.20 : x
  2. Step 2: Convert to fraction form
    123,787,423.27/170,830,486.58 = 68,031,829.20/x
  3. Step 3: Cross multiply
    123,787,423.27x = 170,830,486.58 × 68,031,829.20
  4. Step 4: Simplify right side
    123,787,423.27x = 11,621,910,484,823,292
  5. Step 5: Solve for x
    x = 11,621,910,484,823,292/123,787,423.27
  6. Step 6: Final answer
    x = 93,886,036.06

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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.