Home / 124,691,054,783.02-172,086,480,821.40-75,865,341,545.90

Finding the Fourth Proportional to 124,691,054,783.02, 172,086,480,821.40 and 75,865,341,545.90

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Solution

The fourth proportional to 124,691,054,783.02, 172,086,480,821.40 and 75,865,341,545.90 is: 104,701,974,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,691,054,783.02 : 172,086,480,821.40 = 75,865,341,545.90 : x
  2. Step 2: Convert to fraction form
    124,691,054,783.02/172,086,480,821.40 = 75,865,341,545.90/x
  3. Step 3: Cross multiply
    124,691,054,783.02x = 172,086,480,821.40 × 75,865,341,545.90
  4. Step 4: Simplify right side
    124,691,054,783.02x = 13,055,399,642,947,479,666,688
  5. Step 5: Solve for x
    x = 13,055,399,642,947,479,666,688/124,691,054,783.02
  6. Step 6: Final answer
    x = 104,701,974,537.51

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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.