Home / 91,663,653.98-126,828,941.02-79,927,395.38

Finding the Fourth Proportional to 91,663,653.98, 126,828,941.02 and 79,927,395.38

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Solution

The fourth proportional to 91,663,653.98, 126,828,941.02 and 79,927,395.38 is: 110,590,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,663,653.98 : 126,828,941.02 = 79,927,395.38 : x
  2. Step 2: Convert to fraction form
    91,663,653.98/126,828,941.02 = 79,927,395.38/x
  3. Step 3: Cross multiply
    91,663,653.98x = 126,828,941.02 × 79,927,395.38
  4. Step 4: Simplify right side
    91,663,653.98x = 10,137,106,914,532,240
  5. Step 5: Solve for x
    x = 10,137,106,914,532,240/91,663,653.98
  6. Step 6: Final answer
    x = 110,590,255.51

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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.