Home / 111,472,272.30-167,208,408.45-72,730,223.40

Finding the Fourth Proportional to 111,472,272.30, 167,208,408.45 and 72,730,223.40

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Solution

The fourth proportional to 111,472,272.30, 167,208,408.45 and 72,730,223.40 is: 109,095,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,472,272.30 : 167,208,408.45 = 72,730,223.40 : x
  2. Step 2: Convert to fraction form
    111,472,272.30/167,208,408.45 = 72,730,223.40/x
  3. Step 3: Cross multiply
    111,472,272.30x = 167,208,408.45 × 72,730,223.40
  4. Step 4: Simplify right side
    111,472,272.30x = 12,161,104,900,926,948
  5. Step 5: Solve for x
    x = 12,161,104,900,926,948/111,472,272.30
  6. Step 6: Final answer
    x = 109,095,335.10

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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.