Home / 59,125,390.35-81,000,431.63-56,914,821.78

Finding the Fourth Proportional to 59,125,390.35, 81,000,431.63 and 56,914,821.78

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Solution

The fourth proportional to 59,125,390.35, 81,000,431.63 and 56,914,821.78 is: 77,972,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,125,390.35 : 81,000,431.63 = 56,914,821.78 : x
  2. Step 2: Convert to fraction form
    59,125,390.35/81,000,431.63 = 56,914,821.78/x
  3. Step 3: Cross multiply
    59,125,390.35x = 81,000,431.63 × 56,914,821.78
  4. Step 4: Simplify right side
    59,125,390.35x = 4,610,125,130,039,951
  5. Step 5: Solve for x
    x = 4,610,125,130,039,951/59,125,390.35
  6. Step 6: Final answer
    x = 77,972,003.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.