Finding the Fourth Proportional to 106,319,781.36, 146,721,294 and 57,427,209.36
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Solution
The fourth proportional to 106,319,781.36, 146,721,294 and 57,427,209.36 is: 79,249,546.61
Step by Step Solution
- Step 1: Write the proportion equation
106,319,781.36 : 146,721,294 = 57,427,209.36 : x - Step 2: Convert to fraction form
106,319,781.36/146,721,294 = 57,427,209.36/x - Step 3: Cross multiply
106,319,781.36x = 146,721,294 × 57,427,209.36 - Step 4: Simplify right side
106,319,781.36x = 8,425,794,468,108,112 - Step 5: Solve for x
x = 8,425,794,468,108,112/106,319,781.36 - Step 6: Final answer
x = 79,249,546.61
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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.