Home / 98,173,913.86-135,480,410.32-54,119,944.90

Finding the Fourth Proportional to 98,173,913.86, 135,480,410.32 and 54,119,944.90

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Solution

The fourth proportional to 98,173,913.86, 135,480,410.32 and 54,119,944.90 is: 74,685,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,173,913.86 : 135,480,410.32 = 54,119,944.90 : x
  2. Step 2: Convert to fraction form
    98,173,913.86/135,480,410.32 = 54,119,944.90/x
  3. Step 3: Cross multiply
    98,173,913.86x = 135,480,410.32 × 54,119,944.90
  4. Step 4: Simplify right side
    98,173,913.86x = 7,332,192,341,547,791
  5. Step 5: Solve for x
    x = 7,332,192,341,547,791/98,173,913.86
  6. Step 6: Final answer
    x = 74,685,749.54

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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.