Home / 113,668,128.48-170,459,865.36-40,865,043.36

Finding the Fourth Proportional to 113,668,128.48, 170,459,865.36 and 40,865,043.36

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Solution

The fourth proportional to 113,668,128.48, 170,459,865.36 and 40,865,043.36 is: 61,282,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,668,128.48 : 170,459,865.36 = 40,865,043.36 : x
  2. Step 2: Convert to fraction form
    113,668,128.48/170,459,865.36 = 40,865,043.36/x
  3. Step 3: Cross multiply
    113,668,128.48x = 170,459,865.36 × 40,865,043.36
  4. Step 4: Simplify right side
    113,668,128.48x = 6,965,849,789,076,162
  5. Step 5: Solve for x
    x = 6,965,849,789,076,162/113,668,128.48
  6. Step 6: Final answer
    x = 61,282,347.85

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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.