Home / 123,537,653.28-170,482,162.32-68,533,510.32

Finding the Fourth Proportional to 123,537,653.28, 170,482,162.32 and 68,533,510.32

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Solution

The fourth proportional to 123,537,653.28, 170,482,162.32 and 68,533,510.32 is: 94,576,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,537,653.28 : 170,482,162.32 = 68,533,510.32 : x
  2. Step 2: Convert to fraction form
    123,537,653.28/170,482,162.32 = 68,533,510.32/x
  3. Step 3: Cross multiply
    123,537,653.28x = 170,482,162.32 × 68,533,510.32
  4. Step 4: Simplify right side
    123,537,653.28x = 11,683,741,030,733,634
  5. Step 5: Solve for x
    x = 11,683,741,030,733,634/123,537,653.28
  6. Step 6: Final answer
    x = 94,576,355.63

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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.