Home / 85,748,533.56-128,550,495.08-37,189,814.40

Finding the Fourth Proportional to 85,748,533.56, 128,550,495.08 and 37,189,814.40

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Solution

The fourth proportional to 85,748,533.56, 128,550,495.08 and 37,189,814.40 is: 55,753,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,748,533.56 : 128,550,495.08 = 37,189,814.40 : x
  2. Step 2: Convert to fraction form
    85,748,533.56/128,550,495.08 = 37,189,814.40/x
  3. Step 3: Cross multiply
    85,748,533.56x = 128,550,495.08 × 37,189,814.40
  4. Step 4: Simplify right side
    85,748,533.56x = 4,780,769,053,146,287
  5. Step 5: Solve for x
    x = 4,780,769,053,146,287/85,748,533.56
  6. Step 6: Final answer
    x = 55,753,362.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.