Home / 76,653,048.96-114,897,692.16-38,238,831.36

Finding the Fourth Proportional to 76,653,048.96, 114,897,692.16 and 38,238,831.36

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Solution

The fourth proportional to 76,653,048.96, 114,897,692.16 and 38,238,831.36 is: 57,317,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,653,048.96 : 114,897,692.16 = 38,238,831.36 : x
  2. Step 2: Convert to fraction form
    76,653,048.96/114,897,692.16 = 38,238,831.36/x
  3. Step 3: Cross multiply
    76,653,048.96x = 114,897,692.16 × 38,238,831.36
  4. Step 4: Simplify right side
    76,653,048.96x = 4,393,553,474,159,434
  5. Step 5: Solve for x
    x = 4,393,553,474,159,434/76,653,048.96
  6. Step 6: Final answer
    x = 57,317,400.07

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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.