Home / 64,689,321.80-89,272,507.05-35,321,818.34

Finding the Fourth Proportional to 64,689,321.80, 89,272,507.05 and 35,321,818.34

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Solution

The fourth proportional to 64,689,321.80, 89,272,507.05 and 35,321,818.34 is: 48,744,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,689,321.80 : 89,272,507.05 = 35,321,818.34 : x
  2. Step 2: Convert to fraction form
    64,689,321.80/89,272,507.05 = 35,321,818.34/x
  3. Step 3: Cross multiply
    64,689,321.80x = 89,272,507.05 × 35,321,818.34
  4. Step 4: Simplify right side
    64,689,321.80x = 3,153,267,276,330,106.50
  5. Step 5: Solve for x
    x = 3,153,267,276,330,106.50/64,689,321.80
  6. Step 6: Final answer
    x = 48,744,787.99

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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.