Home / 76,374,681.98-114,636,009.56-72,226,951.07

Finding the Fourth Proportional to 76,374,681.98, 114,636,009.56 and 72,226,951.07

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Solution

The fourth proportional to 76,374,681.98, 114,636,009.56 and 72,226,951.07 is: 108,410,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,374,681.98 : 114,636,009.56 = 72,226,951.07 : x
  2. Step 2: Convert to fraction form
    76,374,681.98/114,636,009.56 = 72,226,951.07/x
  3. Step 3: Cross multiply
    76,374,681.98x = 114,636,009.56 × 72,226,951.07
  4. Step 4: Simplify right side
    76,374,681.98x = 8,279,809,452,415,858
  5. Step 5: Solve for x
    x = 8,279,809,452,415,858/76,374,681.98
  6. Step 6: Final answer
    x = 108,410,395.14

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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.