Home / 145,035,180.93-217,421,530.37-52,897,317.21

Finding the Fourth Proportional to 145,035,180.93, 217,421,530.37 and 52,897,317.21

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Solution

The fourth proportional to 145,035,180.93, 217,421,530.37 and 52,897,317.21 is: 79,298,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,035,180.93 : 217,421,530.37 = 52,897,317.21 : x
  2. Step 2: Convert to fraction form
    145,035,180.93/217,421,530.37 = 52,897,317.21/x
  3. Step 3: Cross multiply
    145,035,180.93x = 217,421,530.37 × 52,897,317.21
  4. Step 4: Simplify right side
    145,035,180.93x = 11,501,015,660,802,396
  5. Step 5: Solve for x
    x = 11,501,015,660,802,396/145,035,180.93
  6. Step 6: Final answer
    x = 79,298,109.52

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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.