Home / 92,989,356.16-128,322,081.60-51,169,513.60

Finding the Fourth Proportional to 92,989,356.16, 128,322,081.60 and 51,169,513.60

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Solution

The fourth proportional to 92,989,356.16, 128,322,081.60 and 51,169,513.60 is: 70,612,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,989,356.16 : 128,322,081.60 = 51,169,513.60 : x
  2. Step 2: Convert to fraction form
    92,989,356.16/128,322,081.60 = 51,169,513.60/x
  3. Step 3: Cross multiply
    92,989,356.16x = 128,322,081.60 × 51,169,513.60
  4. Step 4: Simplify right side
    92,989,356.16x = 6,566,178,499,611,510
  5. Step 5: Solve for x
    x = 6,566,178,499,611,510/92,989,356.16
  6. Step 6: Final answer
    x = 70,612,151.44

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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.