Home / 148,076,563.34-221,983,126.43-70,305,487.40

Finding the Fourth Proportional to 148,076,563.34, 221,983,126.43 and 70,305,487.40

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Solution

The fourth proportional to 148,076,563.34, 221,983,126.43 and 70,305,487.40 is: 105,395,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,076,563.34 : 221,983,126.43 = 70,305,487.40 : x
  2. Step 2: Convert to fraction form
    148,076,563.34/221,983,126.43 = 70,305,487.40/x
  3. Step 3: Cross multiply
    148,076,563.34x = 221,983,126.43 × 70,305,487.40
  4. Step 4: Simplify right side
    148,076,563.34x = 15,606,631,896,775,528
  5. Step 5: Solve for x
    x = 15,606,631,896,775,528/148,076,563.34
  6. Step 6: Final answer
    x = 105,395,692.24

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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.