Home / 127,692,997,853.46-191,539,681,125.28-52,146,148,532.80

Finding the Fourth Proportional to 127,692,997,853.46, 191,539,681,125.28 and 52,146,148,532.80

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Solution

The fourth proportional to 127,692,997,853.46, 191,539,681,125.28 and 52,146,148,532.80 is: 78,219,298,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,853.46 : 191,539,681,125.28 = 52,146,148,532.80 : x
  2. Step 2: Convert to fraction form
    127,692,997,853.46/191,539,681,125.28 = 52,146,148,532.80/x
  3. Step 3: Cross multiply
    127,692,997,853.46x = 191,539,681,125.28 × 52,146,148,532.80
  4. Step 4: Simplify right side
    127,692,997,853.46x = 9,988,056,661,884,001,058,816
  5. Step 5: Solve for x
    x = 9,988,056,661,884,001,058,816/127,692,997,853.46
  6. Step 6: Final answer
    x = 78,219,298,080.43

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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.