Finding the Fourth Proportional to 115,750,963.71, 159,735,699.27 and 63,540,887.67
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Solution
The fourth proportional to 115,750,963.71, 159,735,699.27 and 63,540,887.67 is: 87,686,078.79
Step by Step Solution
- Step 1: Write the proportion equation
115,750,963.71 : 159,735,699.27 = 63,540,887.67 : x - Step 2: Convert to fraction form
115,750,963.71/159,735,699.27 = 63,540,887.67/x - Step 3: Cross multiply
115,750,963.71x = 159,735,699.27 × 63,540,887.67 - Step 4: Simplify right side
115,750,963.71x = 10,149,748,124,203,972 - Step 5: Solve for x
x = 10,149,748,124,203,972/115,750,963.71 - Step 6: Final answer
x = 87,686,078.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.