Home / 229,916,128.40-344,874,192.60-207,241,312.40

Finding the Fourth Proportional to 229,916,128.40, 344,874,192.60 and 207,241,312.40

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Solution

The fourth proportional to 229,916,128.40, 344,874,192.60 and 207,241,312.40 is: 310,861,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,916,128.40 : 344,874,192.60 = 207,241,312.40 : x
  2. Step 2: Convert to fraction form
    229,916,128.40/344,874,192.60 = 207,241,312.40/x
  3. Step 3: Cross multiply
    229,916,128.40x = 344,874,192.60 × 207,241,312.40
  4. Step 4: Simplify right side
    229,916,128.40x = 71,472,180,287,314,376
  5. Step 5: Solve for x
    x = 71,472,180,287,314,376/229,916,128.40
  6. Step 6: Final answer
    x = 310,861,968.60

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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.