Finding the Fourth Proportional to 115,909,242.60, 173,664,798.30 and 75,498,925.80
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Solution
The fourth proportional to 115,909,242.60, 173,664,798.30 and 75,498,925.80 is: 113,118,724.85
Step by Step Solution
- Step 1: Write the proportion equation
115,909,242.60 : 173,664,798.30 = 75,498,925.80 : x - Step 2: Convert to fraction form
115,909,242.60/173,664,798.30 = 75,498,925.80/x - Step 3: Cross multiply
115,909,242.60x = 173,664,798.30 × 75,498,925.80 - Step 4: Simplify right side
115,909,242.60x = 13,111,505,720,923,666 - Step 5: Solve for x
x = 13,111,505,720,923,666/115,909,242.60 - Step 6: Final answer
x = 113,118,724.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.