Home / 149,688,216.80-224,532,325.20-85,190,962.40

Finding the Fourth Proportional to 149,688,216.80, 224,532,325.20 and 85,190,962.40

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Solution

The fourth proportional to 149,688,216.80, 224,532,325.20 and 85,190,962.40 is: 127,786,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,688,216.80 : 224,532,325.20 = 85,190,962.40 : x
  2. Step 2: Convert to fraction form
    149,688,216.80/224,532,325.20 = 85,190,962.40/x
  3. Step 3: Cross multiply
    149,688,216.80x = 224,532,325.20 × 85,190,962.40
  4. Step 4: Simplify right side
    149,688,216.80x = 19,128,124,873,697,772
  5. Step 5: Solve for x
    x = 19,128,124,873,697,772/149,688,216.80
  6. Step 6: Final answer
    x = 127,786,443.60

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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.