Home / 122,472,005.40-183,708,008.10-45,785,069.10

Finding the Fourth Proportional to 122,472,005.40, 183,708,008.10 and 45,785,069.10

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Solution

The fourth proportional to 122,472,005.40, 183,708,008.10 and 45,785,069.10 is: 68,677,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,472,005.40 : 183,708,008.10 = 45,785,069.10 : x
  2. Step 2: Convert to fraction form
    122,472,005.40/183,708,008.10 = 45,785,069.10/x
  3. Step 3: Cross multiply
    122,472,005.40x = 183,708,008.10 × 45,785,069.10
  4. Step 4: Simplify right side
    122,472,005.40x = 8,411,083,845,081,860
  5. Step 5: Solve for x
    x = 8,411,083,845,081,860/122,472,005.40
  6. Step 6: Final answer
    x = 68,677,603.65

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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.