Home / 210,689,552.40-316,034,328.60-172,394,307.60

Finding the Fourth Proportional to 210,689,552.40, 316,034,328.60 and 172,394,307.60

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Solution

The fourth proportional to 210,689,552.40, 316,034,328.60 and 172,394,307.60 is: 258,591,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,689,552.40 : 316,034,328.60 = 172,394,307.60 : x
  2. Step 2: Convert to fraction form
    210,689,552.40/316,034,328.60 = 172,394,307.60/x
  3. Step 3: Cross multiply
    210,689,552.40x = 316,034,328.60 × 172,394,307.60
  4. Step 4: Simplify right side
    210,689,552.40x = 54,482,519,256,827,880
  5. Step 5: Solve for x
    x = 54,482,519,256,827,880/210,689,552.40
  6. Step 6: Final answer
    x = 258,591,461.40

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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.