Home / 117,018,886.94-161,486,603.44-64,806,828.02

Finding the Fourth Proportional to 117,018,886.94, 161,486,603.44 and 64,806,828.02

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Solution

The fourth proportional to 117,018,886.94, 161,486,603.44 and 64,806,828.02 is: 89,433,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,018,886.94 : 161,486,603.44 = 64,806,828.02 : x
  2. Step 2: Convert to fraction form
    117,018,886.94/161,486,603.44 = 64,806,828.02/x
  3. Step 3: Cross multiply
    117,018,886.94x = 161,486,603.44 × 64,806,828.02
  4. Step 4: Simplify right side
    117,018,886.94x = 10,465,434,536,345,986
  5. Step 5: Solve for x
    x = 10,465,434,536,345,986/117,018,886.94
  6. Step 6: Final answer
    x = 89,433,721.43

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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.