Home / 131,525,862.76-181,506,035.28-72,792,578.08

Finding the Fourth Proportional to 131,525,862.76, 181,506,035.28 and 72,792,578.08

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Solution

The fourth proportional to 131,525,862.76, 181,506,035.28 and 72,792,578.08 is: 100,453,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,525,862.76 : 181,506,035.28 = 72,792,578.08 : x
  2. Step 2: Convert to fraction form
    131,525,862.76/181,506,035.28 = 72,792,578.08/x
  3. Step 3: Cross multiply
    131,525,862.76x = 181,506,035.28 × 72,792,578.08
  4. Step 4: Simplify right side
    131,525,862.76x = 13,212,292,245,110,634
  5. Step 5: Solve for x
    x = 13,212,292,245,110,634/131,525,862.76
  6. Step 6: Final answer
    x = 100,453,948.51

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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.