Home / 51,995,031,455.25-77,938,112,875.05-21,759,493,526.28

Finding the Fourth Proportional to 51,995,031,455.25, 77,938,112,875.05 and 21,759,493,526.28

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Solution

The fourth proportional to 51,995,031,455.25, 77,938,112,875.05 and 21,759,493,526.28 is: 32,616,459,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995,031,455.25 : 77,938,112,875.05 = 21,759,493,526.28 : x
  2. Step 2: Convert to fraction form
    51,995,031,455.25/77,938,112,875.05 = 21,759,493,526.28/x
  3. Step 3: Cross multiply
    51,995,031,455.25x = 77,938,112,875.05 × 21,759,493,526.28
  4. Step 4: Simplify right side
    51,995,031,455.25x = 1,695,893,862,555,130,265,600
  5. Step 5: Solve for x
    x = 1,695,893,862,555,130,265,600/51,995,031,455.25
  6. Step 6: Final answer
    x = 32,616,459,978.77

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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.