Home / 291,243,666.36-401,913,543.33-159,084,612.30

Finding the Fourth Proportional to 291,243,666.36, 401,913,543.33 and 159,084,612.30

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Solution

The fourth proportional to 291,243,666.36, 401,913,543.33 and 159,084,612.30 is: 219,535,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,243,666.36 : 401,913,543.33 = 159,084,612.30 : x
  2. Step 2: Convert to fraction form
    291,243,666.36/401,913,543.33 = 159,084,612.30/x
  3. Step 3: Cross multiply
    291,243,666.36x = 401,913,543.33 × 159,084,612.30
  4. Step 4: Simplify right side
    291,243,666.36x = 63,938,260,218,772,304
  5. Step 5: Solve for x
    x = 63,938,260,218,772,304/291,243,666.36
  6. Step 6: Final answer
    x = 219,535,281.29

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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.