Home / 399,492,030.30-599,238,045.45-112,277,694.30

Finding the Fourth Proportional to 399,492,030.30, 599,238,045.45 and 112,277,694.30

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Solution

The fourth proportional to 399,492,030.30, 599,238,045.45 and 112,277,694.30 is: 168,416,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,492,030.30 : 599,238,045.45 = 112,277,694.30 : x
  2. Step 2: Convert to fraction form
    399,492,030.30/599,238,045.45 = 112,277,694.30/x
  3. Step 3: Cross multiply
    399,492,030.30x = 599,238,045.45 × 112,277,694.30
  4. Step 4: Simplify right side
    399,492,030.30x = 67,281,066,079,964,608
  5. Step 5: Solve for x
    x = 67,281,066,079,964,608/399,492,030.30
  6. Step 6: Final answer
    x = 168,416,541.45

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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.