Home / 64,972,666.88-89,666,679.39-36,705,235.80

Finding the Fourth Proportional to 64,972,666.88, 89,666,679.39 and 36,705,235.80

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Solution

The fourth proportional to 64,972,666.88, 89,666,679.39 and 36,705,235.80 is: 50,655,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,972,666.88 : 89,666,679.39 = 36,705,235.80 : x
  2. Step 2: Convert to fraction form
    64,972,666.88/89,666,679.39 = 36,705,235.80/x
  3. Step 3: Cross multiply
    64,972,666.88x = 89,666,679.39 × 36,705,235.80
  4. Step 4: Simplify right side
    64,972,666.88x = 3,291,236,610,453,591
  5. Step 5: Solve for x
    x = 3,291,236,610,453,591/64,972,666.88
  6. Step 6: Final answer
    x = 50,655,710.60

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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.