Home / 147,395,087.10-221,092,630.65-70,678,626.30

Finding the Fourth Proportional to 147,395,087.10, 221,092,630.65 and 70,678,626.30

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Solution

The fourth proportional to 147,395,087.10, 221,092,630.65 and 70,678,626.30 is: 106,017,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,395,087.10 : 221,092,630.65 = 70,678,626.30 : x
  2. Step 2: Convert to fraction form
    147,395,087.10/221,092,630.65 = 70,678,626.30/x
  3. Step 3: Cross multiply
    147,395,087.10x = 221,092,630.65 × 70,678,626.30
  4. Step 4: Simplify right side
    147,395,087.10x = 15,626,523,419,395,276
  5. Step 5: Solve for x
    x = 15,626,523,419,395,276/147,395,087.10
  6. Step 6: Final answer
    x = 106,017,939.45

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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.