Home / 81,890,241,421.35-122,835,362,132.02-81,890,241,421.35

Finding the Fourth Proportional to 81,890,241,421.35, 122,835,362,132.02 and 81,890,241,421.35

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Solution

The fourth proportional to 81,890,241,421.35, 122,835,362,132.02 and 81,890,241,421.35 is: 122,835,362,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890,241,421.35 : 122,835,362,132.02 = 81,890,241,421.35 : x
  2. Step 2: Convert to fraction form
    81,890,241,421.35/122,835,362,132.02 = 81,890,241,421.35/x
  3. Step 3: Cross multiply
    81,890,241,421.35x = 122,835,362,132.02 × 81,890,241,421.35
  4. Step 4: Simplify right side
    81,890,241,421.35x = 10,059,017,460,070,072,975,360
  5. Step 5: Solve for x
    x = 10,059,017,460,070,072,975,360/81,890,241,421.35
  6. Step 6: Final answer
    x = 122,835,362,132.02

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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.