Home / 61,649,409.28-85,075,120.64-34,146,747.20

Finding the Fourth Proportional to 61,649,409.28, 85,075,120.64 and 34,146,747.20

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Solution

The fourth proportional to 61,649,409.28, 85,075,120.64 and 34,146,747.20 is: 47,121,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,649,409.28 : 85,075,120.64 = 34,146,747.20 : x
  2. Step 2: Convert to fraction form
    61,649,409.28/85,075,120.64 = 34,146,747.20/x
  3. Step 3: Cross multiply
    61,649,409.28x = 85,075,120.64 × 34,146,747.20
  4. Step 4: Simplify right side
    61,649,409.28x = 2,905,038,637,503,582.50
  5. Step 5: Solve for x
    x = 2,905,038,637,503,582.50/61,649,409.28
  6. Step 6: Final answer
    x = 47,121,921.71

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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.