Home / 124,421,605.20-186,632,407.80-70,673,893.20

Finding the Fourth Proportional to 124,421,605.20, 186,632,407.80 and 70,673,893.20

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Solution

The fourth proportional to 124,421,605.20, 186,632,407.80 and 70,673,893.20 is: 106,010,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421,605.20 : 186,632,407.80 = 70,673,893.20 : x
  2. Step 2: Convert to fraction form
    124,421,605.20/186,632,407.80 = 70,673,893.20/x
  3. Step 3: Cross multiply
    124,421,605.20x = 186,632,407.80 × 70,673,893.20
  4. Step 4: Simplify right side
    124,421,605.20x = 13,190,038,856,516,048
  5. Step 5: Solve for x
    x = 13,190,038,856,516,048/124,421,605.20
  6. Step 6: Final answer
    x = 106,010,839.80

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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.