Home / 143,212,053.71-197,598,159.32-83,639,566.10

Finding the Fourth Proportional to 143,212,053.71, 197,598,159.32 and 83,639,566.10

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Solution

The fourth proportional to 143,212,053.71, 197,598,159.32 and 83,639,566.10 is: 115,402,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,212,053.71 : 197,598,159.32 = 83,639,566.10 : x
  2. Step 2: Convert to fraction form
    143,212,053.71/197,598,159.32 = 83,639,566.10/x
  3. Step 3: Cross multiply
    143,212,053.71x = 197,598,159.32 × 83,639,566.10
  4. Step 4: Simplify right side
    143,212,053.71x = 16,527,024,307,759,270
  5. Step 5: Solve for x
    x = 16,527,024,307,759,270/143,212,053.71
  6. Step 6: Final answer
    x = 115,402,467.04

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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.