Home / 157,368,083.63-217,168,164.61-86,802,111.32

Finding the Fourth Proportional to 157,368,083.63, 217,168,164.61 and 86,802,111.32

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Solution

The fourth proportional to 157,368,083.63, 217,168,164.61 and 86,802,111.32 is: 119,787,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,368,083.63 : 217,168,164.61 = 86,802,111.32 : x
  2. Step 2: Convert to fraction form
    157,368,083.63/217,168,164.61 = 86,802,111.32/x
  3. Step 3: Cross multiply
    157,368,083.63x = 217,168,164.61 × 86,802,111.32
  4. Step 4: Simplify right side
    157,368,083.63x = 18,850,655,199,963,220
  5. Step 5: Solve for x
    x = 18,850,655,199,963,220/157,368,083.63
  6. Step 6: Final answer
    x = 119,787,029.01

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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.