Home / 130,957,962.47-196,357,820.63-52,186,586.45

Finding the Fourth Proportional to 130,957,962.47, 196,357,820.63 and 52,186,586.45

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Solution

The fourth proportional to 130,957,962.47, 196,357,820.63 and 52,186,586.45 is: 78,248,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,957,962.47 : 196,357,820.63 = 52,186,586.45 : x
  2. Step 2: Convert to fraction form
    130,957,962.47/196,357,820.63 = 52,186,586.45/x
  3. Step 3: Cross multiply
    130,957,962.47x = 196,357,820.63 × 52,186,586.45
  4. Step 4: Simplify right side
    130,957,962.47x = 10,247,244,380,198,366
  5. Step 5: Solve for x
    x = 10,247,244,380,198,366/130,957,962.47
  6. Step 6: Final answer
    x = 78,248,349.22

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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.