Home / 156,913,585.65-216,450,577.67-98,074,135.89

Finding the Fourth Proportional to 156,913,585.65, 216,450,577.67 and 98,074,135.89

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Solution

The fourth proportional to 156,913,585.65, 216,450,577.67 and 98,074,135.89 is: 135,285,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913,585.65 : 216,450,577.67 = 98,074,135.89 : x
  2. Step 2: Convert to fraction form
    156,913,585.65/216,450,577.67 = 98,074,135.89/x
  3. Step 3: Cross multiply
    156,913,585.65x = 216,450,577.67 × 98,074,135.89
  4. Step 4: Simplify right side
    156,913,585.65x = 21,228,203,367,386,208
  5. Step 5: Solve for x
    x = 21,228,203,367,386,208/156,913,585.65
  6. Step 6: Final answer
    x = 135,285,949.14

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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.