Home / 190,317,999.18-262,651,834.36-107,812,461.90

Finding the Fourth Proportional to 190,317,999.18, 262,651,834.36 and 107,812,461.90

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Solution

The fourth proportional to 190,317,999.18, 262,651,834.36 and 107,812,461.90 is: 148,788,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,317,999.18 : 262,651,834.36 = 107,812,461.90 : x
  2. Step 2: Convert to fraction form
    190,317,999.18/262,651,834.36 = 107,812,461.90/x
  3. Step 3: Cross multiply
    190,317,999.18x = 262,651,834.36 × 107,812,461.90
  4. Step 4: Simplify right side
    190,317,999.18x = 28,317,140,884,902,612
  5. Step 5: Solve for x
    x = 28,317,140,884,902,612/190,317,999.18
  6. Step 6: Final answer
    x = 148,788,559.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.