Home / 127,267,000.80-190,900,501.20-69,153,927.45

Finding the Fourth Proportional to 127,267,000.80, 190,900,501.20 and 69,153,927.45

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Solution

The fourth proportional to 127,267,000.80, 190,900,501.20 and 69,153,927.45 is: 103,730,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,267,000.80 : 190,900,501.20 = 69,153,927.45 : x
  2. Step 2: Convert to fraction form
    127,267,000.80/190,900,501.20 = 69,153,927.45/x
  3. Step 3: Cross multiply
    127,267,000.80x = 190,900,501.20 × 69,153,927.45
  4. Step 4: Simplify right side
    127,267,000.80x = 13,201,519,410,153,438
  5. Step 5: Solve for x
    x = 13,201,519,410,153,438/127,267,000.80
  6. Step 6: Final answer
    x = 103,730,891.18

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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.