Home / 85,767,132.60-128,650,698.90-34,622,825.40

Finding the Fourth Proportional to 85,767,132.60, 128,650,698.90 and 34,622,825.40

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Solution

The fourth proportional to 85,767,132.60, 128,650,698.90 and 34,622,825.40 is: 51,934,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,767,132.60 : 128,650,698.90 = 34,622,825.40 : x
  2. Step 2: Convert to fraction form
    85,767,132.60/128,650,698.90 = 34,622,825.40/x
  3. Step 3: Cross multiply
    85,767,132.60x = 128,650,698.90 × 34,622,825.40
  4. Step 4: Simplify right side
    85,767,132.60x = 4,454,250,685,602,672
  5. Step 5: Solve for x
    x = 4,454,250,685,602,672/85,767,132.60
  6. Step 6: Final answer
    x = 51,934,238.10

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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.