Home / 123,787,409.02-170,830,466.91-68,031,814.95

Finding the Fourth Proportional to 123,787,409.02, 170,830,466.91 and 68,031,814.95

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Solution

The fourth proportional to 123,787,409.02, 170,830,466.91 and 68,031,814.95 is: 93,886,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,787,409.02 : 170,830,466.91 = 68,031,814.95 : x
  2. Step 2: Convert to fraction form
    123,787,409.02/170,830,466.91 = 68,031,814.95/x
  3. Step 3: Cross multiply
    123,787,409.02x = 170,830,466.91 × 68,031,814.95
  4. Step 4: Simplify right side
    123,787,409.02x = 11,621,906,712,643,218
  5. Step 5: Solve for x
    x = 11,621,906,712,643,218/123,787,409.02
  6. Step 6: Final answer
    x = 93,886,016.40

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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.