Home / 121,388,551.76-182,105,281.80-38,411,195.60

Finding the Fourth Proportional to 121,388,551.76, 182,105,281.80 and 38,411,195.60

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Solution

The fourth proportional to 121,388,551.76, 182,105,281.80 and 38,411,195.60 is: 57,623,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,388,551.76 : 182,105,281.80 = 38,411,195.60 : x
  2. Step 2: Convert to fraction form
    121,388,551.76/182,105,281.80 = 38,411,195.60/x
  3. Step 3: Cross multiply
    121,388,551.76x = 182,105,281.80 × 38,411,195.60
  4. Step 4: Simplify right side
    121,388,551.76x = 6,994,881,599,012,921
  5. Step 5: Solve for x
    x = 6,994,881,599,012,921/121,388,551.76
  6. Step 6: Final answer
    x = 57,623,898.61

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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.