Home / 66,470,132.48-91,777,371.45-42,962,577.76

Finding the Fourth Proportional to 66,470,132.48, 91,777,371.45 and 42,962,577.76

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Solution

The fourth proportional to 66,470,132.48, 91,777,371.45 and 42,962,577.76 is: 59,319,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470,132.48 : 91,777,371.45 = 42,962,577.76 : x
  2. Step 2: Convert to fraction form
    66,470,132.48/91,777,371.45 = 42,962,577.76/x
  3. Step 3: Cross multiply
    66,470,132.48x = 91,777,371.45 × 42,962,577.76
  4. Step 4: Simplify right side
    66,470,132.48x = 3,942,992,457,529,029
  5. Step 5: Solve for x
    x = 3,942,992,457,529,029/66,470,132.48
  6. Step 6: Final answer
    x = 59,319,762.28

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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.