Home / 291,243,665.36-401,913,541.95-159,084,611.30

Finding the Fourth Proportional to 291,243,665.36, 401,913,541.95 and 159,084,611.30

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Solution

The fourth proportional to 291,243,665.36, 401,913,541.95 and 159,084,611.30 is: 219,535,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,243,665.36 : 401,913,541.95 = 159,084,611.30 : x
  2. Step 2: Convert to fraction form
    291,243,665.36/401,913,541.95 = 159,084,611.30/x
  3. Step 3: Cross multiply
    291,243,665.36x = 401,913,541.95 × 159,084,611.30
  4. Step 4: Simplify right side
    291,243,665.36x = 63,938,259,597,730,216
  5. Step 5: Solve for x
    x = 63,938,259,597,730,216/291,243,665.36
  6. Step 6: Final answer
    x = 219,535,279.91

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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.