Home / 173,459,176.71-239,427,264.78-111,579,515.28

Finding the Fourth Proportional to 173,459,176.71, 239,427,264.78 and 111,579,515.28

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Solution

The fourth proportional to 173,459,176.71, 239,427,264.78 and 111,579,515.28 is: 154,014,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,459,176.71 : 239,427,264.78 = 111,579,515.28 : x
  2. Step 2: Convert to fraction form
    173,459,176.71/239,427,264.78 = 111,579,515.28/x
  3. Step 3: Cross multiply
    173,459,176.71x = 239,427,264.78 × 111,579,515.28
  4. Step 4: Simplify right side
    173,459,176.71x = 26,715,178,148,968,616
  5. Step 5: Solve for x
    x = 26,715,178,148,968,616/173,459,176.71
  6. Step 6: Final answer
    x = 154,014,210.47

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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.