Home / 98,655,115,139.37-136,128,508,016.80-57,462,274,322.10

Finding the Fourth Proportional to 98,655,115,139.37, 136,128,508,016.80 and 57,462,274,322.10

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Solution

The fourth proportional to 98,655,115,139.37, 136,128,508,016.80 and 57,462,274,322.10 is: 79,288,880,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,655,115,139.37 : 136,128,508,016.80 = 57,462,274,322.10 : x
  2. Step 2: Convert to fraction form
    98,655,115,139.37/136,128,508,016.80 = 57,462,274,322.10/x
  3. Step 3: Cross multiply
    98,655,115,139.37x = 136,128,508,016.80 × 57,462,274,322.10
  4. Step 4: Simplify right side
    98,655,115,139.37x = 7,822,253,670,719,550,390,272
  5. Step 5: Solve for x
    x = 7,822,253,670,719,550,390,272/98,655,115,139.37
  6. Step 6: Final answer
    x = 79,288,880,862.07

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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.