Home / 142,977,357.63-214,538,470.02-65,245,647.69

Finding the Fourth Proportional to 142,977,357.63, 214,538,470.02 and 65,245,647.69

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Solution

The fourth proportional to 142,977,357.63, 214,538,470.02 and 65,245,647.69 is: 97,901,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,977,357.63 : 214,538,470.02 = 65,245,647.69 : x
  2. Step 2: Convert to fraction form
    142,977,357.63/214,538,470.02 = 65,245,647.69/x
  3. Step 3: Cross multiply
    142,977,357.63x = 214,538,470.02 × 65,245,647.69
  4. Step 4: Simplify right side
    142,977,357.63x = 13,997,701,430,876,548
  5. Step 5: Solve for x
    x = 13,997,701,430,876,548/142,977,357.63
  6. Step 6: Final answer
    x = 97,901,525.55

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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.