Home / 71,001,544,516.60-97,985,211,428.75-39,319,157,860.59

Finding the Fourth Proportional to 71,001,544,516.60, 97,985,211,428.75 and 39,319,157,860.59

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Solution

The fourth proportional to 71,001,544,516.60, 97,985,211,428.75 and 39,319,157,860.59 is: 54,262,143,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001,544,516.60 : 97,985,211,428.75 = 39,319,157,860.59 : x
  2. Step 2: Convert to fraction form
    71,001,544,516.60/97,985,211,428.75 = 39,319,157,860.59/x
  3. Step 3: Cross multiply
    71,001,544,516.60x = 97,985,211,428.75 × 39,319,157,860.59
  4. Step 4: Simplify right side
    71,001,544,516.60x = 3,852,695,996,170,406,199,296
  5. Step 5: Solve for x
    x = 3,852,695,996,170,406,199,296/71,001,544,516.60
  6. Step 6: Final answer
    x = 54,262,143,484.36

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1.5x scale

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.