Home / 140,471,919,497.36-193,851,392,373.75-76,242,657,047.92

Finding the Fourth Proportional to 140,471,919,497.36, 193,851,392,373.75 and 76,242,657,047.92

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Solution

The fourth proportional to 140,471,919,497.36, 193,851,392,373.75 and 76,242,657,047.92 is: 105,214,944,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,471,919,497.36 : 193,851,392,373.75 = 76,242,657,047.92 : x
  2. Step 2: Convert to fraction form
    140,471,919,497.36/193,851,392,373.75 = 76,242,657,047.92/x
  3. Step 3: Cross multiply
    140,471,919,497.36x = 193,851,392,373.75 × 76,242,657,047.92
  4. Step 4: Simplify right side
    140,471,919,497.36x = 14,779,745,227,013,594,546,176
  5. Step 5: Solve for x
    x = 14,779,745,227,013,594,546,176/140,471,919,497.36
  6. Step 6: Final answer
    x = 105,214,944,594.61

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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.