Home / 76,349,425.32-114,939,417.51-69,569,686.44

Finding the Fourth Proportional to 76,349,425.32, 114,939,417.51 and 69,569,686.44

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Solution

The fourth proportional to 76,349,425.32, 114,939,417.51 and 69,569,686.44 is: 104,732,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,349,425.32 : 114,939,417.51 = 69,569,686.44 : x
  2. Step 2: Convert to fraction form
    76,349,425.32/114,939,417.51 = 69,569,686.44/x
  3. Step 3: Cross multiply
    76,349,425.32x = 114,939,417.51 × 69,569,686.44
  4. Step 4: Simplify right side
    76,349,425.32x = 7,996,299,235,766,946
  5. Step 5: Solve for x
    x = 7,996,299,235,766,946/76,349,425.32
  6. Step 6: Final answer
    x = 104,732,932.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.