Finding the Fourth Proportional to 93,188,513.95, 128,600,537.68 and 51,371,660.60
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Solution
The fourth proportional to 93,188,513.95, 128,600,537.68 and 51,371,660.60 is: 70,893,105.76
Step by Step Solution
- Step 1: Write the proportion equation
93,188,513.95 : 128,600,537.68 = 51,371,660.60 : x - Step 2: Convert to fraction form
93,188,513.95/128,600,537.68 = 51,371,660.60/x - Step 3: Cross multiply
93,188,513.95x = 128,600,537.68 × 51,371,660.60 - Step 4: Simplify right side
93,188,513.95x = 6,606,423,174,674,472 - Step 5: Solve for x
x = 6,606,423,174,674,472/93,188,513.95 - Step 6: Final answer
x = 70,893,105.76
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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.