Home / 143,687,541.02-215,384,071.95-109,070,661.43

Finding the Fourth Proportional to 143,687,541.02, 215,384,071.95 and 109,070,661.43

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Solution

The fourth proportional to 143,687,541.02, 215,384,071.95 and 109,070,661.43 is: 163,494,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,687,541.02 : 215,384,071.95 = 109,070,661.43 : x
  2. Step 2: Convert to fraction form
    143,687,541.02/215,384,071.95 = 109,070,661.43/x
  3. Step 3: Cross multiply
    143,687,541.02x = 215,384,071.95 × 109,070,661.43
  4. Step 4: Simplify right side
    143,687,541.02x = 23,492,083,189,342,440
  5. Step 5: Solve for x
    x = 23,492,083,189,342,440/143,687,541.02
  6. Step 6: Final answer
    x = 163,494,225.20

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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.