Home / 85,341,009.95-127,959,676.32-33,463,462.40

Finding the Fourth Proportional to 85,341,009.95, 127,959,676.32 and 33,463,462.40

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Solution

The fourth proportional to 85,341,009.95, 127,959,676.32 and 33,463,462.40 is: 50,174,866.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,341,009.95 : 127,959,676.32 = 33,463,462.40 : x
  2. Step 2: Convert to fraction form
    85,341,009.95/127,959,676.32 = 33,463,462.40/x
  3. Step 3: Cross multiply
    85,341,009.95x = 127,959,676.32 × 33,463,462.40
  4. Step 4: Simplify right side
    85,341,009.95x = 4,281,973,817,250,490
  5. Step 5: Solve for x
    x = 4,281,973,817,250,490/85,341,009.95
  6. Step 6: Final answer
    x = 50,174,866.92

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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.