Home / 149,688,215.80-224,532,323.70-85,190,961.40

Finding the Fourth Proportional to 149,688,215.80, 224,532,323.70 and 85,190,961.40

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Solution

The fourth proportional to 149,688,215.80, 224,532,323.70 and 85,190,961.40 is: 127,786,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,688,215.80 : 224,532,323.70 = 85,190,961.40 : x
  2. Step 2: Convert to fraction form
    149,688,215.80/224,532,323.70 = 85,190,961.40/x
  3. Step 3: Cross multiply
    149,688,215.80x = 224,532,323.70 × 85,190,961.40
  4. Step 4: Simplify right side
    149,688,215.80x = 19,128,124,521,379,004
  5. Step 5: Solve for x
    x = 19,128,124,521,379,004/149,688,215.80
  6. Step 6: Final answer
    x = 127,786,442.10

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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.