Home / 286,373,259.81-395,182,356.12-167,306,893.11

Finding the Fourth Proportional to 286,373,259.81, 395,182,356.12 and 167,306,893.11

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Solution

The fourth proportional to 286,373,259.81, 395,182,356.12 and 167,306,893.11 is: 230,876,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,373,259.81 : 395,182,356.12 = 167,306,893.11 : x
  2. Step 2: Convert to fraction form
    286,373,259.81/395,182,356.12 = 167,306,893.11/x
  3. Step 3: Cross multiply
    286,373,259.81x = 395,182,356.12 × 167,306,893.11
  4. Step 4: Simplify right side
    286,373,259.81x = 66,116,732,215,314,752
  5. Step 5: Solve for x
    x = 66,116,732,215,314,752/286,373,259.81
  6. Step 6: Final answer
    x = 230,876,068.04

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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.