Home / 145,985,307.81-218,950,054.52-43,749,345.44

Finding the Fourth Proportional to 145,985,307.81, 218,950,054.52 and 43,749,345.44

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Solution

The fourth proportional to 145,985,307.81, 218,950,054.52 and 43,749,345.44 is: 65,615,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,985,307.81 : 218,950,054.52 = 43,749,345.44 : x
  2. Step 2: Convert to fraction form
    145,985,307.81/218,950,054.52 = 43,749,345.44/x
  3. Step 3: Cross multiply
    145,985,307.81x = 218,950,054.52 × 43,749,345.44
  4. Step 4: Simplify right side
    145,985,307.81x = 9,578,921,567,988,816
  5. Step 5: Solve for x
    x = 9,578,921,567,988,816/145,985,307.81
  6. Step 6: Final answer
    x = 65,615,654.83

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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.