Home / 85,686,606.69-128,440,212.17-35,859,977.32

Finding the Fourth Proportional to 85,686,606.69, 128,440,212.17 and 35,859,977.32

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Solution

The fourth proportional to 85,686,606.69, 128,440,212.17 and 35,859,977.32 is: 53,752,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,686,606.69 : 128,440,212.17 = 35,859,977.32 : x
  2. Step 2: Convert to fraction form
    85,686,606.69/128,440,212.17 = 35,859,977.32/x
  3. Step 3: Cross multiply
    85,686,606.69x = 128,440,212.17 × 35,859,977.32
  4. Step 4: Simplify right side
    85,686,606.69x = 4,605,863,095,796,445
  5. Step 5: Solve for x
    x = 4,605,863,095,796,445/85,686,606.69
  6. Step 6: Final answer
    x = 53,752,427.29

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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.