Home / 113,623,395.30-156,803,364.81-69,569,555.94

Finding the Fourth Proportional to 113,623,395.30, 156,803,364.81 and 69,569,555.94

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Solution

The fourth proportional to 113,623,395.30, 156,803,364.81 and 69,569,555.94 is: 96,007,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,623,395.30 : 156,803,364.81 = 69,569,555.94 : x
  2. Step 2: Convert to fraction form
    113,623,395.30/156,803,364.81 = 69,569,555.94/x
  3. Step 3: Cross multiply
    113,623,395.30x = 156,803,364.81 × 69,569,555.94
  4. Step 4: Simplify right side
    113,623,395.30x = 10,908,740,459,729,522
  5. Step 5: Solve for x
    x = 10,908,740,459,729,522/113,623,395.30
  6. Step 6: Final answer
    x = 96,007,872.59

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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.