Home / 151,350,350.77-208,863,477.18-81,735,725.50

Finding the Fourth Proportional to 151,350,350.77, 208,863,477.18 and 81,735,725.50

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Solution

The fourth proportional to 151,350,350.77, 208,863,477.18 and 81,735,725.50 is: 112,795,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,350,350.77 : 208,863,477.18 = 81,735,725.50 : x
  2. Step 2: Convert to fraction form
    151,350,350.77/208,863,477.18 = 81,735,725.50/x
  3. Step 3: Cross multiply
    151,350,350.77x = 208,863,477.18 × 81,735,725.50
  4. Step 4: Simplify right side
    151,350,350.77x = 17,071,607,837,759,994
  5. Step 5: Solve for x
    x = 17,071,607,837,759,994/151,350,350.77
  6. Step 6: Final answer
    x = 112,795,297.47

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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.