Home / 212,048,547.40-318,072,821.10-171,737,763.40

Finding the Fourth Proportional to 212,048,547.40, 318,072,821.10 and 171,737,763.40

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Solution

The fourth proportional to 212,048,547.40, 318,072,821.10 and 171,737,763.40 is: 257,606,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,048,547.40 : 318,072,821.10 = 171,737,763.40 : x
  2. Step 2: Convert to fraction form
    212,048,547.40/318,072,821.10 = 171,737,763.40/x
  3. Step 3: Cross multiply
    212,048,547.40x = 318,072,821.10 × 171,737,763.40
  4. Step 4: Simplify right side
    212,048,547.40x = 54,625,114,894,042,336
  5. Step 5: Solve for x
    x = 54,625,114,894,042,336/212,048,547.40
  6. Step 6: Final answer
    x = 257,606,645.10

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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.