Home / 100,849,190.10-139,170,467.64-56,197,044.17

Finding the Fourth Proportional to 100,849,190.10, 139,170,467.64 and 56,197,044.17

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Solution

The fourth proportional to 100,849,190.10, 139,170,467.64 and 56,197,044.17 is: 77,551,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,849,190.10 : 139,170,467.64 = 56,197,044.17 : x
  2. Step 2: Convert to fraction form
    100,849,190.10/139,170,467.64 = 56,197,044.17/x
  3. Step 3: Cross multiply
    100,849,190.10x = 139,170,467.64 × 56,197,044.17
  4. Step 4: Simplify right side
    100,849,190.10x = 7,820,968,916,913,896
  5. Step 5: Solve for x
    x = 7,820,968,916,913,896/100,849,190.10
  6. Step 6: Final answer
    x = 77,551,132.63

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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.