Home / 75,574,770.83-104,289,828.68-42,085,977.20

Finding the Fourth Proportional to 75,574,770.83, 104,289,828.68 and 42,085,977.20

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Solution

The fourth proportional to 75,574,770.83, 104,289,828.68 and 42,085,977.20 is: 58,076,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,574,770.83 : 104,289,828.68 = 42,085,977.20 : x
  2. Step 2: Convert to fraction form
    75,574,770.83/104,289,828.68 = 42,085,977.20/x
  3. Step 3: Cross multiply
    75,574,770.83x = 104,289,828.68 × 42,085,977.20
  4. Step 4: Simplify right side
    75,574,770.83x = 4,389,139,351,807,956.50
  5. Step 5: Solve for x
    x = 4,389,139,351,807,956.50/75,574,770.83
  6. Step 6: Final answer
    x = 58,076,780.17

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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.