Home / 71,464,075,911.06-98,622,193,257.30-38,913,074,059.47

Finding the Fourth Proportional to 71,464,075,911.06, 98,622,193,257.30 and 38,913,074,059.47

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Solution

The fourth proportional to 71,464,075,911.06, 98,622,193,257.30 and 38,913,074,059.47 is: 53,701,005,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,464,075,911.06 : 98,622,193,257.30 = 38,913,074,059.47 : x
  2. Step 2: Convert to fraction form
    71,464,075,911.06/98,622,193,257.30 = 38,913,074,059.47/x
  3. Step 3: Cross multiply
    71,464,075,911.06x = 98,622,193,257.30 × 38,913,074,059.47
  4. Step 4: Simplify right side
    71,464,075,911.06x = 3,837,692,710,129,090,166,784
  5. Step 5: Solve for x
    x = 3,837,692,710,129,090,166,784/71,464,075,911.06
  6. Step 6: Final answer
    x = 53,701,005,172.24

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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.