Home / 208,896,009.60-313,344,014.40-185,605,334.40

Finding the Fourth Proportional to 208,896,009.60, 313,344,014.40 and 185,605,334.40

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Solution

The fourth proportional to 208,896,009.60, 313,344,014.40 and 185,605,334.40 is: 278,408,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,896,009.60 : 313,344,014.40 = 185,605,334.40 : x
  2. Step 2: Convert to fraction form
    208,896,009.60/313,344,014.40 = 185,605,334.40/x
  3. Step 3: Cross multiply
    208,896,009.60x = 313,344,014.40 × 185,605,334.40
  4. Step 4: Simplify right side
    208,896,009.60x = 58,158,320,574,950,416
  5. Step 5: Solve for x
    x = 58,158,320,574,950,416/208,896,009.60
  6. Step 6: Final answer
    x = 278,408,001.60

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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.