Home / 147,941,603.71-204,109,967.28-86,048,803.87

Finding the Fourth Proportional to 147,941,603.71, 204,109,967.28 and 86,048,803.87

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Solution

The fourth proportional to 147,941,603.71, 204,109,967.28 and 86,048,803.87 is: 118,718,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,941,603.71 : 204,109,967.28 = 86,048,803.87 : x
  2. Step 2: Convert to fraction form
    147,941,603.71/204,109,967.28 = 86,048,803.87/x
  3. Step 3: Cross multiply
    147,941,603.71x = 204,109,967.28 × 86,048,803.87
  4. Step 4: Simplify right side
    147,941,603.71x = 17,563,418,542,388,838
  5. Step 5: Solve for x
    x = 17,563,418,542,388,838/147,941,603.71
  6. Step 6: Final answer
    x = 118,718,589.65

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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.