Home / 115,547,721.57-159,362,878.73-101,579,210.37

Finding the Fourth Proportional to 115,547,721.57, 159,362,878.73 and 101,579,210.37

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Solution

The fourth proportional to 115,547,721.57, 159,362,878.73 and 101,579,210.37 is: 140,097,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,547,721.57 : 159,362,878.73 = 101,579,210.37 : x
  2. Step 2: Convert to fraction form
    115,547,721.57/159,362,878.73 = 101,579,210.37/x
  3. Step 3: Cross multiply
    115,547,721.57x = 159,362,878.73 × 101,579,210.37
  4. Step 4: Simplify right side
    115,547,721.57x = 16,187,955,383,175,572
  5. Step 5: Solve for x
    x = 16,187,955,383,175,572/115,547,721.57
  6. Step 6: Final answer
    x = 140,097,573.22

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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.