Home / 74,890,133.70-112,335,200.55-31,751,996.10

Finding the Fourth Proportional to 74,890,133.70, 112,335,200.55 and 31,751,996.10

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Solution

The fourth proportional to 74,890,133.70, 112,335,200.55 and 31,751,996.10 is: 47,627,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,133.70 : 112,335,200.55 = 31,751,996.10 : x
  2. Step 2: Convert to fraction form
    74,890,133.70/112,335,200.55 = 31,751,996.10/x
  3. Step 3: Cross multiply
    74,890,133.70x = 112,335,200.55 × 31,751,996.10
  4. Step 4: Simplify right side
    74,890,133.70x = 3,566,866,849,756,318
  5. Step 5: Solve for x
    x = 3,566,866,849,756,318/74,890,133.70
  6. Step 6: Final answer
    x = 47,627,994.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.