Home / 101,361,798.51-139,994,755.29-68,710,063.47

Finding the Fourth Proportional to 101,361,798.51, 139,994,755.29 and 68,710,063.47

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Solution

The fourth proportional to 101,361,798.51, 139,994,755.29 and 68,710,063.47 is: 94,898,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,361,798.51 : 139,994,755.29 = 68,710,063.47 : x
  2. Step 2: Convert to fraction form
    101,361,798.51/139,994,755.29 = 68,710,063.47/x
  3. Step 3: Cross multiply
    101,361,798.51x = 139,994,755.29 × 68,710,063.47
  4. Step 4: Simplify right side
    101,361,798.51x = 9,619,048,521,443,018
  5. Step 5: Solve for x
    x = 9,619,048,521,443,018/101,361,798.51
  6. Step 6: Final answer
    x = 94,898,163.44

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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.