Home / 151,018,947.63-208,288,068.66-98,112,705.75

Finding the Fourth Proportional to 151,018,947.63, 208,288,068.66 and 98,112,705.75

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Solution

The fourth proportional to 151,018,947.63, 208,288,068.66 and 98,112,705.75 is: 135,318,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,018,947.63 : 208,288,068.66 = 98,112,705.75 : x
  2. Step 2: Convert to fraction form
    151,018,947.63/208,288,068.66 = 98,112,705.75/x
  3. Step 3: Cross multiply
    151,018,947.63x = 208,288,068.66 × 98,112,705.75
  4. Step 4: Simplify right side
    151,018,947.63x = 20,435,705,991,674,376
  5. Step 5: Solve for x
    x = 20,435,705,991,674,376/151,018,947.63
  6. Step 6: Final answer
    x = 135,318,821.33

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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.