Finding the Fourth Proportional to 181,001,301.84, 249,787,420.92 and 102,688,156.08
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Solution
The fourth proportional to 181,001,301.84, 249,787,420.92 and 102,688,156.08 is: 141,712,846.29
Step by Step Solution
- Step 1: Write the proportion equation
181,001,301.84 : 249,787,420.92 = 102,688,156.08 : x - Step 2: Convert to fraction form
181,001,301.84/249,787,420.92 = 102,688,156.08/x - Step 3: Cross multiply
181,001,301.84x = 249,787,420.92 × 102,688,156.08 - Step 4: Simplify right side
181,001,301.84x = 25,650,209,666,253,616 - Step 5: Solve for x
x = 25,650,209,666,253,616/181,001,301.84 - Step 6: Final answer
x = 141,712,846.29
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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.