Home / 74,603,635-111,900,316.02-45,854,207.80

Finding the Fourth Proportional to 74,603,635, 111,900,316.02 and 45,854,207.80

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Solution

The fourth proportional to 74,603,635, 111,900,316.02 and 45,854,207.80 is: 68,778,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,603,635 : 111,900,316.02 = 45,854,207.80 : x
  2. Step 2: Convert to fraction form
    74,603,635/111,900,316.02 = 45,854,207.80/x
  3. Step 3: Cross multiply
    74,603,635x = 111,900,316.02 × 45,854,207.80
  4. Step 4: Simplify right side
    74,603,635x = 5,131,100,343,666,748
  5. Step 5: Solve for x
    x = 5,131,100,343,666,748/74,603,635
  6. Step 6: Final answer
    x = 68,778,154.63

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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.