Home / 372,066,197.50-513,500,244.87-213,358,428.70

Finding the Fourth Proportional to 372,066,197.50, 513,500,244.87 and 213,358,428.70

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Solution

The fourth proportional to 372,066,197.50, 513,500,244.87 and 213,358,428.70 is: 294,462,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,066,197.50 : 513,500,244.87 = 213,358,428.70 : x
  2. Step 2: Convert to fraction form
    372,066,197.50/513,500,244.87 = 213,358,428.70/x
  3. Step 3: Cross multiply
    372,066,197.50x = 513,500,244.87 × 213,358,428.70
  4. Step 4: Simplify right side
    372,066,197.50x = 109,559,605,382,528,432
  5. Step 5: Solve for x
    x = 109,559,605,382,528,432/372,066,197.50
  6. Step 6: Final answer
    x = 294,462,668.52

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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.