Home / 86,916,630.70-130,392,442.05-25,505,670.70

Finding the Fourth Proportional to 86,916,630.70, 130,392,442.05 and 25,505,670.70

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Solution

The fourth proportional to 86,916,630.70, 130,392,442.05 and 25,505,670.70 is: 38,263,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,916,630.70 : 130,392,442.05 = 25,505,670.70 : x
  2. Step 2: Convert to fraction form
    86,916,630.70/130,392,442.05 = 25,505,670.70/x
  3. Step 3: Cross multiply
    86,916,630.70x = 130,392,442.05 × 25,505,670.70
  4. Step 4: Simplify right side
    86,916,630.70x = 3,325,746,688,696,133
  5. Step 5: Solve for x
    x = 3,325,746,688,696,133/86,916,630.70
  6. Step 6: Final answer
    x = 38,263,640.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.