Home / 85,839,477.70-128,782,026.15-37,296,501.70

Finding the Fourth Proportional to 85,839,477.70, 128,782,026.15 and 37,296,501.70

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Solution

The fourth proportional to 85,839,477.70, 128,782,026.15 and 37,296,501.70 is: 55,954,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,839,477.70 : 128,782,026.15 = 37,296,501.70 : x
  2. Step 2: Convert to fraction form
    85,839,477.70/128,782,026.15 = 37,296,501.70/x
  3. Step 3: Cross multiply
    85,839,477.70x = 128,782,026.15 × 37,296,501.70
  4. Step 4: Simplify right side
    85,839,477.70x = 4,803,119,057,232,920
  5. Step 5: Solve for x
    x = 4,803,119,057,232,920/85,839,477.70
  6. Step 6: Final answer
    x = 55,954,663.12

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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.