Home / 115,331,270,862.96-172,823,176,210.97-102,762,638,926.94

Finding the Fourth Proportional to 115,331,270,862.96, 172,823,176,210.97 and 102,762,638,926.94

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Solution

The fourth proportional to 115,331,270,862.96, 172,823,176,210.97 and 102,762,638,926.94 is: 153,989,161,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,331,270,862.96 : 172,823,176,210.97 = 102,762,638,926.94 : x
  2. Step 2: Convert to fraction form
    115,331,270,862.96/172,823,176,210.97 = 102,762,638,926.94/x
  3. Step 3: Cross multiply
    115,331,270,862.96x = 172,823,176,210.97 × 102,762,638,926.94
  4. Step 4: Simplify right side
    115,331,270,862.96x = 17,759,765,655,174,837,698,560
  5. Step 5: Solve for x
    x = 17,759,765,655,174,837,698,560/115,331,270,862.96
  6. Step 6: Final answer
    x = 153,989,161,155.41

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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.