Home / 81,861,615,903.35-122,792,423,855.02-81,861,615,903.35

Finding the Fourth Proportional to 81,861,615,903.35, 122,792,423,855.02 and 81,861,615,903.35

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Solution

The fourth proportional to 81,861,615,903.35, 122,792,423,855.02 and 81,861,615,903.35 is: 122,792,423,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,861,615,903.35 : 122,792,423,855.02 = 81,861,615,903.35 : x
  2. Step 2: Convert to fraction form
    81,861,615,903.35/122,792,423,855.02 = 81,861,615,903.35/x
  3. Step 3: Cross multiply
    81,861,615,903.35x = 122,792,423,855.02 × 81,861,615,903.35
  4. Step 4: Simplify right side
    81,861,615,903.35x = 10,051,986,237,460,999,831,552
  5. Step 5: Solve for x
    x = 10,051,986,237,460,999,831,552/81,861,615,903.35
  6. Step 6: Final answer
    x = 122,792,423,855.02

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1.5x scale

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.