Home / 117,307,798.34-161,888,477.84-67,747,271.45

Finding the Fourth Proportional to 117,307,798.34, 161,888,477.84 and 67,747,271.45

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Solution

The fourth proportional to 117,307,798.34, 161,888,477.84 and 67,747,271.45 is: 93,493,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,307,798.34 : 161,888,477.84 = 67,747,271.45 : x
  2. Step 2: Convert to fraction form
    117,307,798.34/161,888,477.84 = 67,747,271.45/x
  3. Step 3: Cross multiply
    117,307,798.34x = 161,888,477.84 × 67,747,271.45
  4. Step 4: Simplify right side
    117,307,798.34x = 10,967,502,651,705,610
  5. Step 5: Solve for x
    x = 10,967,502,651,705,610/117,307,798.34
  6. Step 6: Final answer
    x = 93,493,380.72

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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.