Home / 112,571,324.79-155,350,014.74-64,860,210.64

Finding the Fourth Proportional to 112,571,324.79, 155,350,014.74 and 64,860,210.64

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Solution

The fourth proportional to 112,571,324.79, 155,350,014.74 and 64,860,210.64 is: 89,508,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571,324.79 : 155,350,014.74 = 64,860,210.64 : x
  2. Step 2: Convert to fraction form
    112,571,324.79/155,350,014.74 = 64,860,210.64/x
  3. Step 3: Cross multiply
    112,571,324.79x = 155,350,014.74 × 64,860,210.64
  4. Step 4: Simplify right side
    112,571,324.79x = 10,076,034,678,963,506
  5. Step 5: Solve for x
    x = 10,076,034,678,963,506/112,571,324.79
  6. Step 6: Final answer
    x = 89,508,004.79

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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.