Home / 187,152,051.40-280,728,077.10-65,943,219.40

Finding the Fourth Proportional to 187,152,051.40, 280,728,077.10 and 65,943,219.40

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Solution

The fourth proportional to 187,152,051.40, 280,728,077.10 and 65,943,219.40 is: 98,914,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,152,051.40 : 280,728,077.10 = 65,943,219.40 : x
  2. Step 2: Convert to fraction form
    187,152,051.40/280,728,077.10 = 65,943,219.40/x
  3. Step 3: Cross multiply
    187,152,051.40x = 280,728,077.10 × 65,943,219.40
  4. Step 4: Simplify right side
    187,152,051.40x = 18,512,113,179,945,416
  5. Step 5: Solve for x
    x = 18,512,113,179,945,416/187,152,051.40
  6. Step 6: Final answer
    x = 98,914,829.10

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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.