Home / 216,878,098.90-299,283,382.25-117,756,577.62

Finding the Fourth Proportional to 216,878,098.90, 299,283,382.25 and 117,756,577.62

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Solution

The fourth proportional to 216,878,098.90, 299,283,382.25 and 117,756,577.62 is: 162,499,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,878,098.90 : 299,283,382.25 = 117,756,577.62 : x
  2. Step 2: Convert to fraction form
    216,878,098.90/299,283,382.25 = 117,756,577.62/x
  3. Step 3: Cross multiply
    216,878,098.90x = 299,283,382.25 × 117,756,577.62
  4. Step 4: Simplify right side
    216,878,098.90x = 35,242,586,832,298,256
  5. Step 5: Solve for x
    x = 35,242,586,832,298,256/216,878,098.90
  6. Step 6: Final answer
    x = 162,499,519.37

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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.