Home / 137,901,482.17-190,306,155.41-75,177,622.33

Finding the Fourth Proportional to 137,901,482.17, 190,306,155.41 and 75,177,622.33

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Solution

The fourth proportional to 137,901,482.17, 190,306,155.41 and 75,177,622.33 is: 103,746,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,901,482.17 : 190,306,155.41 = 75,177,622.33 : x
  2. Step 2: Convert to fraction form
    137,901,482.17/190,306,155.41 = 75,177,622.33/x
  3. Step 3: Cross multiply
    137,901,482.17x = 190,306,155.41 × 75,177,622.33
  4. Step 4: Simplify right side
    137,901,482.17x = 14,306,764,277,917,528
  5. Step 5: Solve for x
    x = 14,306,764,277,917,528/137,901,482.17
  6. Step 6: Final answer
    x = 103,746,269.10

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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.