Home / 208,604,316.20-313,018,448.70-87,448,015.40

Finding the Fourth Proportional to 208,604,316.20, 313,018,448.70 and 87,448,015.40

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Solution

The fourth proportional to 208,604,316.20, 313,018,448.70 and 87,448,015.40 is: 131,218,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,604,316.20 : 313,018,448.70 = 87,448,015.40 : x
  2. Step 2: Convert to fraction form
    208,604,316.20/313,018,448.70 = 87,448,015.40/x
  3. Step 3: Cross multiply
    208,604,316.20x = 313,018,448.70 × 87,448,015.40
  4. Step 4: Simplify right side
    208,604,316.20x = 27,372,842,122,401,712
  5. Step 5: Solve for x
    x = 27,372,842,122,401,712/208,604,316.20
  6. Step 6: Final answer
    x = 131,218,963.35

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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.