Home / 83,880,963-115,696,100.20-55,989,610.64

Finding the Fourth Proportional to 83,880,963, 115,696,100.20 and 55,989,610.64

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Solution

The fourth proportional to 83,880,963, 115,696,100.20 and 55,989,610.64 is: 77,225,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880,963 : 115,696,100.20 = 55,989,610.64 : x
  2. Step 2: Convert to fraction form
    83,880,963/115,696,100.20 = 55,989,610.64/x
  3. Step 3: Cross multiply
    83,880,963x = 115,696,100.20 × 55,989,610.64
  4. Step 4: Simplify right side
    83,880,963x = 6,477,779,602,764,426
  5. Step 5: Solve for x
    x = 6,477,779,602,764,426/83,880,963
  6. Step 6: Final answer
    x = 77,225,861.16

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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.