Home / 102,942,348.87-154,366,434.77-61,462,054.47

Finding the Fourth Proportional to 102,942,348.87, 154,366,434.77 and 61,462,054.47

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Solution

The fourth proportional to 102,942,348.87, 154,366,434.77 and 61,462,054.47 is: 92,164,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,942,348.87 : 154,366,434.77 = 61,462,054.47 : x
  2. Step 2: Convert to fraction form
    102,942,348.87/154,366,434.77 = 61,462,054.47/x
  3. Step 3: Cross multiply
    102,942,348.87x = 154,366,434.77 × 61,462,054.47
  4. Step 4: Simplify right side
    102,942,348.87x = 9,487,678,221,866,130
  5. Step 5: Solve for x
    x = 9,487,678,221,866,130/102,942,348.87
  6. Step 6: Final answer
    x = 92,164,967.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.