Home / 51,995,031,459.75-77,938,112,881.80-21,759,493,530.78

Finding the Fourth Proportional to 51,995,031,459.75, 77,938,112,881.80 and 21,759,493,530.78

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Solution

The fourth proportional to 51,995,031,459.75, 77,938,112,881.80 and 21,759,493,530.78 is: 32,616,459,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995,031,459.75 : 77,938,112,881.80 = 21,759,493,530.78 : x
  2. Step 2: Convert to fraction form
    51,995,031,459.75/77,938,112,881.80 = 21,759,493,530.78/x
  3. Step 3: Cross multiply
    51,995,031,459.75x = 77,938,112,881.80 × 21,759,493,530.78
  4. Step 4: Simplify right side
    51,995,031,459.75x = 1,695,893,863,052,728,336,384
  5. Step 5: Solve for x
    x = 1,695,893,863,052,728,336,384/51,995,031,459.75
  6. Step 6: Final answer
    x = 32,616,459,985.52

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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.