Home / 157,211,477.29-216,952,699.08-91,171,130.82

Finding the Fourth Proportional to 157,211,477.29, 216,952,699.08 and 91,171,130.82

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Solution

The fourth proportional to 157,211,477.29, 216,952,699.08 and 91,171,130.82 is: 125,816,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,211,477.29 : 216,952,699.08 = 91,171,130.82 : x
  2. Step 2: Convert to fraction form
    157,211,477.29/216,952,699.08 = 91,171,130.82/x
  3. Step 3: Cross multiply
    157,211,477.29x = 216,952,699.08 × 91,171,130.82
  4. Step 4: Simplify right side
    157,211,477.29x = 19,779,822,909,103,092
  5. Step 5: Solve for x
    x = 19,779,822,909,103,092/157,211,477.29
  6. Step 6: Final answer
    x = 125,816,659.51

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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.