Home / 127,692,997,883.74-191,539,681,170.67-52,146,148,563.01

Finding the Fourth Proportional to 127,692,997,883.74, 191,539,681,170.67 and 52,146,148,563.01

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Solution

The fourth proportional to 127,692,997,883.74, 191,539,681,170.67 and 52,146,148,563.01 is: 78,219,298,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,883.74 : 191,539,681,170.67 = 52,146,148,563.01 : x
  2. Step 2: Convert to fraction form
    127,692,997,883.74/191,539,681,170.67 = 52,146,148,563.01/x
  3. Step 3: Cross multiply
    127,692,997,883.74x = 191,539,681,170.67 × 52,146,148,563.01
  4. Step 4: Simplify right side
    127,692,997,883.74x = 9,988,056,670,037,327,478,784
  5. Step 5: Solve for x
    x = 9,988,056,670,037,327,478,784/127,692,997,883.74
  6. Step 6: Final answer
    x = 78,219,298,125.74

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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.