Home / 112,529,068.32-155,296,622.40-62,969,009.28

Finding the Fourth Proportional to 112,529,068.32, 155,296,622.40 and 62,969,009.28

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Solution

The fourth proportional to 112,529,068.32, 155,296,622.40 and 62,969,009.28 is: 86,900,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,529,068.32 : 155,296,622.40 = 62,969,009.28 : x
  2. Step 2: Convert to fraction form
    112,529,068.32/155,296,622.40 = 62,969,009.28/x
  3. Step 3: Cross multiply
    112,529,068.32x = 155,296,622.40 × 62,969,009.28
  4. Step 4: Simplify right side
    112,529,068.32x = 9,778,874,457,058,256
  5. Step 5: Solve for x
    x = 9,778,874,457,058,256/112,529,068.32
  6. Step 6: Final answer
    x = 86,900,874.62

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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.