Home / 112,571,323.79-155,350,013.36-64,860,209.64

Finding the Fourth Proportional to 112,571,323.79, 155,350,013.36 and 64,860,209.64

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Solution

The fourth proportional to 112,571,323.79, 155,350,013.36 and 64,860,209.64 is: 89,508,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571,323.79 : 155,350,013.36 = 64,860,209.64 : x
  2. Step 2: Convert to fraction form
    112,571,323.79/155,350,013.36 = 64,860,209.64/x
  3. Step 3: Cross multiply
    112,571,323.79x = 155,350,013.36 × 64,860,209.64
  4. Step 4: Simplify right side
    112,571,323.79x = 10,076,034,434,106,402
  5. Step 5: Solve for x
    x = 10,076,034,434,106,402/112,571,323.79
  6. Step 6: Final answer
    x = 89,508,003.41

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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.