Home / 208,447,165.56-312,670,758-142,803,573.24

Finding the Fourth Proportional to 208,447,165.56, 312,670,758 and 142,803,573.24

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Solution

The fourth proportional to 208,447,165.56, 312,670,758 and 142,803,573.24 is: 214,205,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,447,165.56 : 312,670,758 = 142,803,573.24 : x
  2. Step 2: Convert to fraction form
    208,447,165.56/312,670,758 = 142,803,573.24/x
  3. Step 3: Cross multiply
    208,447,165.56x = 312,670,758 × 142,803,573.24
  4. Step 4: Simplify right side
    208,447,165.56x = 44,650,501,490,059,320
  5. Step 5: Solve for x
    x = 44,650,501,490,059,320/208,447,165.56
  6. Step 6: Final answer
    x = 214,205,366.48

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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.