Home / 121,323,199.35-181,984,799.03-67,470,511.35

Finding the Fourth Proportional to 121,323,199.35, 181,984,799.03 and 67,470,511.35

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Solution

The fourth proportional to 121,323,199.35, 181,984,799.03 and 67,470,511.35 is: 101,205,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,323,199.35 : 181,984,799.03 = 67,470,511.35 : x
  2. Step 2: Convert to fraction form
    121,323,199.35/181,984,799.03 = 67,470,511.35/x
  3. Step 3: Cross multiply
    121,323,199.35x = 181,984,799.03 × 67,470,511.35
  4. Step 4: Simplify right side
    121,323,199.35x = 12,278,607,448,143,730
  5. Step 5: Solve for x
    x = 12,278,607,448,143,730/121,323,199.35
  6. Step 6: Final answer
    x = 101,205,767.03

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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.