Home / 127,908,698,090.52-191,558,470,602.64-74,012,248,902.93

Finding the Fourth Proportional to 127,908,698,090.52, 191,558,470,602.64 and 74,012,248,902.93

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Solution

The fourth proportional to 127,908,698,090.52, 191,558,470,602.64 and 74,012,248,902.93 is: 110,842,135,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,908,698,090.52 : 191,558,470,602.64 = 74,012,248,902.93 : x
  2. Step 2: Convert to fraction form
    127,908,698,090.52/191,558,470,602.64 = 74,012,248,902.93/x
  3. Step 3: Cross multiply
    127,908,698,090.52x = 191,558,470,602.64 × 74,012,248,902.93
  4. Step 4: Simplify right side
    127,908,698,090.52x = 14,177,673,205,707,190,566,912
  5. Step 5: Solve for x
    x = 14,177,673,205,707,190,566,912/127,908,698,090.52
  6. Step 6: Final answer
    x = 110,842,135,189.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.