Home / 245,573,980.47-368,403,523.79-100,086,692.31

Finding the Fourth Proportional to 245,573,980.47, 368,403,523.79 and 100,086,692.31

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Solution

The fourth proportional to 245,573,980.47, 368,403,523.79 and 100,086,692.31 is: 150,147,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,573,980.47 : 368,403,523.79 = 100,086,692.31 : x
  2. Step 2: Convert to fraction form
    245,573,980.47/368,403,523.79 = 100,086,692.31/x
  3. Step 3: Cross multiply
    245,573,980.47x = 368,403,523.79 × 100,086,692.31
  4. Step 4: Simplify right side
    245,573,980.47x = 36,872,290,130,989,064
  5. Step 5: Solve for x
    x = 36,872,290,130,989,064/245,573,980.47
  6. Step 6: Final answer
    x = 150,147,381.50

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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.