Home / 156,065,204.61-215,369,907.44-93,341,301.48

Finding the Fourth Proportional to 156,065,204.61, 215,369,907.44 and 93,341,301.48

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Solution

The fourth proportional to 156,065,204.61, 215,369,907.44 and 93,341,301.48 is: 128,810,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,065,204.61 : 215,369,907.44 = 93,341,301.48 : x
  2. Step 2: Convert to fraction form
    156,065,204.61/215,369,907.44 = 93,341,301.48/x
  3. Step 3: Cross multiply
    156,065,204.61x = 215,369,907.44 × 93,341,301.48
  4. Step 4: Simplify right side
    156,065,204.61x = 20,102,907,459,610,028
  5. Step 5: Solve for x
    x = 20,102,907,459,610,028/156,065,204.61
  6. Step 6: Final answer
    x = 128,810,951.23

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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.