Home / 210,984,923.43-291,155,340.66-116,898,727.20

Finding the Fourth Proportional to 210,984,923.43, 291,155,340.66 and 116,898,727.20

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Solution

The fourth proportional to 210,984,923.43, 291,155,340.66 and 116,898,727.20 is: 161,318,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,984,923.43 : 291,155,340.66 = 116,898,727.20 : x
  2. Step 2: Convert to fraction form
    210,984,923.43/291,155,340.66 = 116,898,727.20/x
  3. Step 3: Cross multiply
    210,984,923.43x = 291,155,340.66 × 116,898,727.20
  4. Step 4: Simplify right side
    210,984,923.43x = 34,035,688,740,636,412
  5. Step 5: Solve for x
    x = 34,035,688,740,636,412/210,984,923.43
  6. Step 6: Final answer
    x = 161,318,108.36

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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.