Home / 73,948,749.54-102,052,282.32-40,908,430.68

Finding the Fourth Proportional to 73,948,749.54, 102,052,282.32 and 40,908,430.68

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Solution

The fourth proportional to 73,948,749.54, 102,052,282.32 and 40,908,430.68 is: 56,455,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,948,749.54 : 102,052,282.32 = 40,908,430.68 : x
  2. Step 2: Convert to fraction form
    73,948,749.54/102,052,282.32 = 40,908,430.68/x
  3. Step 3: Cross multiply
    73,948,749.54x = 102,052,282.32 × 40,908,430.68
  4. Step 4: Simplify right side
    73,948,749.54x = 4,174,798,717,023,509.50
  5. Step 5: Solve for x
    x = 4,174,798,717,023,509.50/73,948,749.54
  6. Step 6: Final answer
    x = 56,455,298.34

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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.