Home / 139,600,158.83-192,642,004.93-80,018,740.91

Finding the Fourth Proportional to 139,600,158.83, 192,642,004.93 and 80,018,740.91

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Solution

The fourth proportional to 139,600,158.83, 192,642,004.93 and 80,018,740.91 is: 110,422,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,600,158.83 : 192,642,004.93 = 80,018,740.91 : x
  2. Step 2: Convert to fraction form
    139,600,158.83/192,642,004.93 = 80,018,740.91/x
  3. Step 3: Cross multiply
    139,600,158.83x = 192,642,004.93 × 80,018,740.91
  4. Step 4: Simplify right side
    139,600,158.83x = 15,414,970,681,558,264
  5. Step 5: Solve for x
    x = 15,414,970,681,558,264/139,600,158.83
  6. Step 6: Final answer
    x = 110,422,300.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.