Home / 102,708,840.77-141,655,554.54-90,292,386.12

Finding the Fourth Proportional to 102,708,840.77, 141,655,554.54 and 90,292,386.12

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Solution

The fourth proportional to 102,708,840.77, 141,655,554.54 and 90,292,386.12 is: 124,530,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,708,840.77 : 141,655,554.54 = 90,292,386.12 : x
  2. Step 2: Convert to fraction form
    102,708,840.77/141,655,554.54 = 90,292,386.12/x
  3. Step 3: Cross multiply
    102,708,840.77x = 141,655,554.54 × 90,292,386.12
  4. Step 4: Simplify right side
    102,708,840.77x = 12,790,418,026,568,398
  5. Step 5: Solve for x
    x = 12,790,418,026,568,398/102,708,840.77
  6. Step 6: Final answer
    x = 124,530,838.16

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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.