Home / 310,473,313.20-465,709,969.80-92,157,350.40

Finding the Fourth Proportional to 310,473,313.20, 465,709,969.80 and 92,157,350.40

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Solution

The fourth proportional to 310,473,313.20, 465,709,969.80 and 92,157,350.40 is: 138,236,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,473,313.20 : 465,709,969.80 = 92,157,350.40 : x
  2. Step 2: Convert to fraction form
    310,473,313.20/465,709,969.80 = 92,157,350.40/x
  3. Step 3: Cross multiply
    310,473,313.20x = 465,709,969.80 × 92,157,350.40
  4. Step 4: Simplify right side
    310,473,313.20x = 42,918,596,871,632,024
  5. Step 5: Solve for x
    x = 42,918,596,871,632,024/310,473,313.20
  6. Step 6: Final answer
    x = 138,236,025.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.