Home / 86,696,946.40-130,074,328.40-57,665,238

Finding the Fourth Proportional to 86,696,946.40, 130,074,328.40 and 57,665,238

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Solution

The fourth proportional to 86,696,946.40, 130,074,328.40 and 57,665,238 is: 86,517,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,696,946.40 : 130,074,328.40 = 57,665,238 : x
  2. Step 2: Convert to fraction form
    86,696,946.40/130,074,328.40 = 57,665,238/x
  3. Step 3: Cross multiply
    86,696,946.40x = 130,074,328.40 × 57,665,238
  4. Step 4: Simplify right side
    86,696,946.40x = 7,500,767,104,876,160
  5. Step 5: Solve for x
    x = 7,500,767,104,876,160/86,696,946.40
  6. Step 6: Final answer
    x = 86,517,085.28

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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.