Home / 210,384,940.80-315,577,411.20-57,030,751.20

Finding the Fourth Proportional to 210,384,940.80, 315,577,411.20 and 57,030,751.20

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Solution

The fourth proportional to 210,384,940.80, 315,577,411.20 and 57,030,751.20 is: 85,546,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,384,940.80 : 315,577,411.20 = 57,030,751.20 : x
  2. Step 2: Convert to fraction form
    210,384,940.80/315,577,411.20 = 57,030,751.20/x
  3. Step 3: Cross multiply
    210,384,940.80x = 315,577,411.20 × 57,030,751.20
  4. Step 4: Simplify right side
    210,384,940.80x = 17,997,616,822,487,294
  5. Step 5: Solve for x
    x = 17,997,616,822,487,294/210,384,940.80
  6. Step 6: Final answer
    x = 85,546,126.80

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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.