Home / 118,492,795.89-163,448,557.29-78,259,038.03

Finding the Fourth Proportional to 118,492,795.89, 163,448,557.29 and 78,259,038.03

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Solution

The fourth proportional to 118,492,795.89, 163,448,557.29 and 78,259,038.03 is: 107,950,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,492,795.89 : 163,448,557.29 = 78,259,038.03 : x
  2. Step 2: Convert to fraction form
    118,492,795.89/163,448,557.29 = 78,259,038.03/x
  3. Step 3: Cross multiply
    118,492,795.89x = 163,448,557.29 × 78,259,038.03
  4. Step 4: Simplify right side
    118,492,795.89x = 12,791,326,860,906,744
  5. Step 5: Solve for x
    x = 12,791,326,860,906,744/118,492,795.89
  6. Step 6: Final answer
    x = 107,950,249.34

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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.