Home / 358,168,030.20-537,252,045.30-115,855,428.60

Finding the Fourth Proportional to 358,168,030.20, 537,252,045.30 and 115,855,428.60

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Solution

The fourth proportional to 358,168,030.20, 537,252,045.30 and 115,855,428.60 is: 173,783,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,168,030.20 : 537,252,045.30 = 115,855,428.60 : x
  2. Step 2: Convert to fraction form
    358,168,030.20/537,252,045.30 = 115,855,428.60/x
  3. Step 3: Cross multiply
    358,168,030.20x = 537,252,045.30 × 115,855,428.60
  4. Step 4: Simplify right side
    358,168,030.20x = 62,243,565,974,458,104
  5. Step 5: Solve for x
    x = 62,243,565,974,458,104/358,168,030.20
  6. Step 6: Final answer
    x = 173,783,142.90

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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.