Home / 64,665,803.28-89,225,487.24-37,158,417.12

Finding the Fourth Proportional to 64,665,803.28, 89,225,487.24 and 37,158,417.12

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Solution

The fourth proportional to 64,665,803.28, 89,225,487.24 and 37,158,417.12 is: 51,270,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,665,803.28 : 89,225,487.24 = 37,158,417.12 : x
  2. Step 2: Convert to fraction form
    64,665,803.28/89,225,487.24 = 37,158,417.12/x
  3. Step 3: Cross multiply
    64,665,803.28x = 89,225,487.24 × 37,158,417.12
  4. Step 4: Simplify right side
    64,665,803.28x = 3,315,477,872,599,157
  5. Step 5: Solve for x
    x = 3,315,477,872,599,157/64,665,803.28
  6. Step 6: Final answer
    x = 51,270,960.92

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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.