Home / 207,237,496.51-285,884,501.40-123,546,655.81

Finding the Fourth Proportional to 207,237,496.51, 285,884,501.40 and 123,546,655.81

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Solution

The fourth proportional to 207,237,496.51, 285,884,501.40 and 123,546,655.81 is: 170,432,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,237,496.51 : 285,884,501.40 = 123,546,655.81 : x
  2. Step 2: Convert to fraction form
    207,237,496.51/285,884,501.40 = 123,546,655.81/x
  3. Step 3: Cross multiply
    207,237,496.51x = 285,884,501.40 × 123,546,655.81
  4. Step 4: Simplify right side
    207,237,496.51x = 35,320,074,095,879,260
  5. Step 5: Solve for x
    x = 35,320,074,095,879,260/207,237,496.51
  6. Step 6: Final answer
    x = 170,432,835.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.