Home / 188,098,491.95-259,579,128.02-103,329,185.30

Finding the Fourth Proportional to 188,098,491.95, 259,579,128.02 and 103,329,185.30

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Solution

The fourth proportional to 188,098,491.95, 259,579,128.02 and 103,329,185.30 is: 142,596,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,098,491.95 : 259,579,128.02 = 103,329,185.30 : x
  2. Step 2: Convert to fraction form
    188,098,491.95/259,579,128.02 = 103,329,185.30/x
  3. Step 3: Cross multiply
    188,098,491.95x = 259,579,128.02 × 103,329,185.30
  4. Step 4: Simplify right side
    188,098,491.95x = 26,822,099,817,376,460
  5. Step 5: Solve for x
    x = 26,822,099,817,376,460/188,098,491.95
  6. Step 6: Final answer
    x = 142,596,038.60

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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.