Home / 265,700,111.56-398,523,258.02-71,631,144.40

Finding the Fourth Proportional to 265,700,111.56, 398,523,258.02 and 71,631,144.40

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Solution

The fourth proportional to 265,700,111.56, 398,523,258.02 and 71,631,144.40 is: 107,439,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,700,111.56 : 398,523,258.02 = 71,631,144.40 : x
  2. Step 2: Convert to fraction form
    265,700,111.56/398,523,258.02 = 71,631,144.40/x
  3. Step 3: Cross multiply
    265,700,111.56x = 398,523,258.02 × 71,631,144.40
  4. Step 4: Simplify right side
    265,700,111.56x = 28,546,677,041,989,080
  5. Step 5: Solve for x
    x = 28,546,677,041,989,080/265,700,111.56
  6. Step 6: Final answer
    x = 107,439,462.01

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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.