Home / 129,312,010.20-193,968,015.30-122,934,718.20

Finding the Fourth Proportional to 129,312,010.20, 193,968,015.30 and 122,934,718.20

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Solution

The fourth proportional to 129,312,010.20, 193,968,015.30 and 122,934,718.20 is: 184,402,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,312,010.20 : 193,968,015.30 = 122,934,718.20 : x
  2. Step 2: Convert to fraction form
    129,312,010.20/193,968,015.30 = 122,934,718.20/x
  3. Step 3: Cross multiply
    129,312,010.20x = 193,968,015.30 × 122,934,718.20
  4. Step 4: Simplify right side
    129,312,010.20x = 23,845,403,300,718,792
  5. Step 5: Solve for x
    x = 23,845,403,300,718,792/129,312,010.20
  6. Step 6: Final answer
    x = 184,402,077.30

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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.