Home / 91,663,651.80-126,828,938.00-79,927,393.19

Finding the Fourth Proportional to 91,663,651.80, 126,828,938.00 and 79,927,393.19

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Solution

The fourth proportional to 91,663,651.80, 126,828,938.00 and 79,927,393.19 is: 110,590,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,663,651.80 : 126,828,938.00 = 79,927,393.19 : x
  2. Step 2: Convert to fraction form
    91,663,651.80/126,828,938.00 = 79,927,393.19/x
  3. Step 3: Cross multiply
    91,663,651.80x = 126,828,938.00 × 79,927,393.19
  4. Step 4: Simplify right side
    91,663,651.80x = 10,137,106,394,362,352
  5. Step 5: Solve for x
    x = 10,137,106,394,362,352/91,663,651.80
  6. Step 6: Final answer
    x = 110,590,252.46

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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.