Home / 127,692,997,865.76-191,539,681,143.67-52,146,148,545.02

Finding the Fourth Proportional to 127,692,997,865.76, 191,539,681,143.67 and 52,146,148,545.02

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Solution

The fourth proportional to 127,692,997,865.76, 191,539,681,143.67 and 52,146,148,545.02 is: 78,219,298,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,865.76 : 191,539,681,143.67 = 52,146,148,545.02 : x
  2. Step 2: Convert to fraction form
    127,692,997,865.76/191,539,681,143.67 = 52,146,148,545.02/x
  3. Step 3: Cross multiply
    127,692,997,865.76x = 191,539,681,143.67 × 52,146,148,545.02
  4. Step 4: Simplify right side
    127,692,997,865.76x = 9,988,056,665,183,198,642,176
  5. Step 5: Solve for x
    x = 9,988,056,665,183,198,642,176/127,692,997,865.76
  6. Step 6: Final answer
    x = 78,219,298,098.74

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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.