Home / 191,346,601.50-264,139,932.56-128,659,034.93

Finding the Fourth Proportional to 191,346,601.50, 264,139,932.56 and 128,659,034.93

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Solution

The fourth proportional to 191,346,601.50, 264,139,932.56 and 128,659,034.93 is: 177,604,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,346,601.50 : 264,139,932.56 = 128,659,034.93 : x
  2. Step 2: Convert to fraction form
    191,346,601.50/264,139,932.56 = 128,659,034.93/x
  3. Step 3: Cross multiply
    191,346,601.50x = 264,139,932.56 × 128,659,034.93
  4. Step 4: Simplify right side
    191,346,601.50x = 33,983,988,807,680,888
  5. Step 5: Solve for x
    x = 33,983,988,807,680,888/191,346,601.50
  6. Step 6: Final answer
    x = 177,604,350.12

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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.