Home / 55,674,998.52-76,831,340.70-30,898,925.88

Finding the Fourth Proportional to 55,674,998.52, 76,831,340.70 and 30,898,925.88

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Solution

The fourth proportional to 55,674,998.52, 76,831,340.70 and 30,898,925.88 is: 42,640,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,674,998.52 : 76,831,340.70 = 30,898,925.88 : x
  2. Step 2: Convert to fraction form
    55,674,998.52/76,831,340.70 = 30,898,925.88/x
  3. Step 3: Cross multiply
    55,674,998.52x = 76,831,340.70 × 30,898,925.88
  4. Step 4: Simplify right side
    55,674,998.52x = 2,374,005,901,550,327.50
  5. Step 5: Solve for x
    x = 2,374,005,901,550,327.50/55,674,998.52
  6. Step 6: Final answer
    x = 42,640,430.44

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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.