Home / 115,402,032.25-159,254,838.79-62,478,729.37

Finding the Fourth Proportional to 115,402,032.25, 159,254,838.79 and 62,478,729.37

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Solution

The fourth proportional to 115,402,032.25, 159,254,838.79 and 62,478,729.37 is: 86,220,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,402,032.25 : 159,254,838.79 = 62,478,729.37 : x
  2. Step 2: Convert to fraction form
    115,402,032.25/159,254,838.79 = 62,478,729.37/x
  3. Step 3: Cross multiply
    115,402,032.25x = 159,254,838.79 × 62,478,729.37
  4. Step 4: Simplify right side
    115,402,032.25x = 9,950,039,973,666,260
  5. Step 5: Solve for x
    x = 9,950,039,973,666,260/115,402,032.25
  6. Step 6: Final answer
    x = 86,220,665.09

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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.