Home / 228,406,097.24-315,191,334.02-129,307,401.32

Finding the Fourth Proportional to 228,406,097.24, 315,191,334.02 and 129,307,401.32

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Solution

The fourth proportional to 228,406,097.24, 315,191,334.02 and 129,307,401.32 is: 178,439,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,406,097.24 : 315,191,334.02 = 129,307,401.32 : x
  2. Step 2: Convert to fraction form
    228,406,097.24/315,191,334.02 = 129,307,401.32/x
  3. Step 3: Cross multiply
    228,406,097.24x = 315,191,334.02 × 129,307,401.32
  4. Step 4: Simplify right side
    228,406,097.24x = 40,756,572,320,989,048
  5. Step 5: Solve for x
    x = 40,756,572,320,989,048/228,406,097.24
  6. Step 6: Final answer
    x = 178,439,073.27

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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.