Home / 92,878,708.59-128,172,699.83-51,063,485.34

Finding the Fourth Proportional to 92,878,708.59, 128,172,699.83 and 51,063,485.34

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Solution

The fourth proportional to 92,878,708.59, 128,172,699.83 and 51,063,485.34 is: 70,467,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,878,708.59 : 128,172,699.83 = 51,063,485.34 : x
  2. Step 2: Convert to fraction form
    92,878,708.59/128,172,699.83 = 51,063,485.34/x
  3. Step 3: Cross multiply
    92,878,708.59x = 128,172,699.83 × 51,063,485.34
  4. Step 4: Simplify right side
    92,878,708.59x = 6,544,944,778,502,109
  5. Step 5: Solve for x
    x = 6,544,944,778,502,109/92,878,708.59
  6. Step 6: Final answer
    x = 70,467,654.84

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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.