Home / 91,369,435.20-126,118,054.80-58,774,387.20

Finding the Fourth Proportional to 91,369,435.20, 126,118,054.80 and 58,774,387.20

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Solution

The fourth proportional to 91,369,435.20, 126,118,054.80 and 58,774,387.20 is: 81,126,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,369,435.20 : 126,118,054.80 = 58,774,387.20 : x
  2. Step 2: Convert to fraction form
    91,369,435.20/126,118,054.80 = 58,774,387.20/x
  3. Step 3: Cross multiply
    91,369,435.20x = 126,118,054.80 × 58,774,387.20
  4. Step 4: Simplify right side
    91,369,435.20x = 7,412,511,385,726,019
  5. Step 5: Solve for x
    x = 7,412,511,385,726,019/91,369,435.20
  6. Step 6: Final answer
    x = 81,126,816.31

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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.