Home / 145,178,840.40-217,831,246.20-73,375,256.40

Finding the Fourth Proportional to 145,178,840.40, 217,831,246.20 and 73,375,256.40

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Solution

The fourth proportional to 145,178,840.40, 217,831,246.20 and 73,375,256.40 is: 110,094,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,178,840.40 : 217,831,246.20 = 73,375,256.40 : x
  2. Step 2: Convert to fraction form
    145,178,840.40/217,831,246.20 = 73,375,256.40/x
  3. Step 3: Cross multiply
    145,178,840.40x = 217,831,246.20 × 73,375,256.40
  4. Step 4: Simplify right side
    145,178,840.40x = 15,983,423,541,856,526
  5. Step 5: Solve for x
    x = 15,983,423,541,856,526/145,178,840.40
  6. Step 6: Final answer
    x = 110,094,718.33

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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.