Home / 117,934,899.06-162,750,705.93-68,404,597.86

Finding the Fourth Proportional to 117,934,899.06, 162,750,705.93 and 68,404,597.86

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Solution

The fourth proportional to 117,934,899.06, 162,750,705.93 and 68,404,597.86 is: 94,398,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,934,899.06 : 162,750,705.93 = 68,404,597.86 : x
  2. Step 2: Convert to fraction form
    117,934,899.06/162,750,705.93 = 68,404,597.86/x
  3. Step 3: Cross multiply
    117,934,899.06x = 162,750,705.93 × 68,404,597.86
  4. Step 4: Simplify right side
    117,934,899.06x = 11,132,896,590,572,768
  5. Step 5: Solve for x
    x = 11,132,896,590,572,768/117,934,899.06
  6. Step 6: Final answer
    x = 94,398,661.29

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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.