Home / 151,389,343.04-208,917,377.48-81,774,724.50

Finding the Fourth Proportional to 151,389,343.04, 208,917,377.48 and 81,774,724.50

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Solution

The fourth proportional to 151,389,343.04, 208,917,377.48 and 81,774,724.50 is: 112,849,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,389,343.04 : 208,917,377.48 = 81,774,724.50 : x
  2. Step 2: Convert to fraction form
    151,389,343.04/208,917,377.48 = 81,774,724.50/x
  3. Step 3: Cross multiply
    151,389,343.04x = 208,917,377.48 × 81,774,724.50
  4. Step 4: Simplify right side
    151,389,343.04x = 17,084,160,986,893,940
  5. Step 5: Solve for x
    x = 17,084,160,986,893,940/151,389,343.04
  6. Step 6: Final answer
    x = 112,849,165.23

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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.