Home / 71,001,544,530.86-97,985,211,448.41-39,319,157,874.86

Finding the Fourth Proportional to 71,001,544,530.86, 97,985,211,448.41 and 39,319,157,874.86

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Solution

The fourth proportional to 71,001,544,530.86, 97,985,211,448.41 and 39,319,157,874.86 is: 54,262,143,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001,544,530.86 : 97,985,211,448.41 = 39,319,157,874.86 : x
  2. Step 2: Convert to fraction form
    71,001,544,530.86/97,985,211,448.41 = 39,319,157,874.86/x
  3. Step 3: Cross multiply
    71,001,544,530.86x = 97,985,211,448.41 × 39,319,157,874.86
  4. Step 4: Simplify right side
    71,001,544,530.86x = 3,852,695,998,341,082,775,552
  5. Step 5: Solve for x
    x = 3,852,695,998,341,082,775,552/71,001,544,530.86
  6. Step 6: Final answer
    x = 54,262,143,504.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.