Home / 71,001,544,515.47-97,985,211,427.19-39,319,157,859.47

Finding the Fourth Proportional to 71,001,544,515.47, 97,985,211,427.19 and 39,319,157,859.47

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Solution

The fourth proportional to 71,001,544,515.47, 97,985,211,427.19 and 39,319,157,859.47 is: 54,262,143,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001,544,515.47 : 97,985,211,427.19 = 39,319,157,859.47 : x
  2. Step 2: Convert to fraction form
    71,001,544,515.47/97,985,211,427.19 = 39,319,157,859.47/x
  3. Step 3: Cross multiply
    71,001,544,515.47x = 97,985,211,427.19 × 39,319,157,859.47
  4. Step 4: Simplify right side
    71,001,544,515.47x = 3,852,695,995,999,149,096,960
  5. Step 5: Solve for x
    x = 3,852,695,995,999,149,096,960/71,001,544,515.47
  6. Step 6: Final answer
    x = 54,262,143,482.81

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