Home / 72,147,176.94-99,645,847.29-47,477,496.57

Finding the Fourth Proportional to 72,147,176.94, 99,645,847.29 and 47,477,496.57

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Solution

The fourth proportional to 72,147,176.94, 99,645,847.29 and 47,477,496.57 is: 65,573,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,147,176.94 : 99,645,847.29 = 47,477,496.57 : x
  2. Step 2: Convert to fraction form
    72,147,176.94/99,645,847.29 = 47,477,496.57/x
  3. Step 3: Cross multiply
    72,147,176.94x = 99,645,847.29 × 47,477,496.57
  4. Step 4: Simplify right side
    72,147,176.94x = 4,730,935,372,925,719
  5. Step 5: Solve for x
    x = 4,730,935,372,925,719/72,147,176.94
  6. Step 6: Final answer
    x = 65,573,395.57

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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.