Home / 121,323,389.10-181,985,083.65-67,470,701.10

Finding the Fourth Proportional to 121,323,389.10, 181,985,083.65 and 67,470,701.10

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Solution

The fourth proportional to 121,323,389.10, 181,985,083.65 and 67,470,701.10 is: 101,206,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,323,389.10 : 181,985,083.65 = 67,470,701.10 : x
  2. Step 2: Convert to fraction form
    121,323,389.10/181,985,083.65 = 67,470,701.10/x
  3. Step 3: Cross multiply
    121,323,389.10x = 181,985,083.65 × 67,470,701.10
  4. Step 4: Simplify right side
    121,323,389.10x = 12,278,661,183,607,646
  5. Step 5: Solve for x
    x = 12,278,661,183,607,646/121,323,389.10
  6. Step 6: Final answer
    x = 101,206,051.65

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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.