Home / 119,742,912-179,715,317.76-47,010,772.48

Finding the Fourth Proportional to 119,742,912, 179,715,317.76 and 47,010,772.48

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Solution

The fourth proportional to 119,742,912, 179,715,317.76 and 47,010,772.48 is: 70,555,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,742,912 : 179,715,317.76 = 47,010,772.48 : x
  2. Step 2: Convert to fraction form
    119,742,912/179,715,317.76 = 47,010,772.48/x
  3. Step 3: Cross multiply
    119,742,912x = 179,715,317.76 × 47,010,772.48
  4. Step 4: Simplify right side
    119,742,912x = 8,448,555,914,386,262
  5. Step 5: Solve for x
    x = 8,448,555,914,386,262/119,742,912
  6. Step 6: Final answer
    x = 70,555,791.35

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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.