Home / 340,751,207.20-511,126,810.80-125,312,461.60

Finding the Fourth Proportional to 340,751,207.20, 511,126,810.80 and 125,312,461.60

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Solution

The fourth proportional to 340,751,207.20, 511,126,810.80 and 125,312,461.60 is: 187,968,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,751,207.20 : 511,126,810.80 = 125,312,461.60 : x
  2. Step 2: Convert to fraction form
    340,751,207.20/511,126,810.80 = 125,312,461.60/x
  3. Step 3: Cross multiply
    340,751,207.20x = 511,126,810.80 × 125,312,461.60
  4. Step 4: Simplify right side
    340,751,207.20x = 64,050,558,851,105,464
  5. Step 5: Solve for x
    x = 64,050,558,851,105,464/340,751,207.20
  6. Step 6: Final answer
    x = 187,968,692.40

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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.