Home / 155,594,826.69-214,720,937.57-85,980,208.25

Finding the Fourth Proportional to 155,594,826.69, 214,720,937.57 and 85,980,208.25

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Solution

The fourth proportional to 155,594,826.69, 214,720,937.57 and 85,980,208.25 is: 118,652,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,594,826.69 : 214,720,937.57 = 85,980,208.25 : x
  2. Step 2: Convert to fraction form
    155,594,826.69/214,720,937.57 = 85,980,208.25/x
  3. Step 3: Cross multiply
    155,594,826.69x = 214,720,937.57 × 85,980,208.25
  4. Step 4: Simplify right side
    155,594,826.69x = 18,461,750,928,655,600
  5. Step 5: Solve for x
    x = 18,461,750,928,655,600/155,594,826.69
  6. Step 6: Final answer
    x = 118,652,729.80

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1.5x scale

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.