Home / 161,446,683-222,803,666.64-90,906,550.68

Finding the Fourth Proportional to 161,446,683, 222,803,666.64 and 90,906,550.68

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Solution

The fourth proportional to 161,446,683, 222,803,666.64 and 90,906,550.68 is: 125,455,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,446,683 : 222,803,666.64 = 90,906,550.68 : x
  2. Step 2: Convert to fraction form
    161,446,683/222,803,666.64 = 90,906,550.68/x
  3. Step 3: Cross multiply
    161,446,683x = 222,803,666.64 × 90,906,550.68
  4. Step 4: Simplify right side
    161,446,683x = 20,254,312,813,098,984
  5. Step 5: Solve for x
    x = 20,254,312,813,098,984/161,446,683
  6. Step 6: Final answer
    x = 125,455,118.91

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1.5x scale

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.