Finding the Fourth Proportional to 93,543,259.99, 129,090,534.08 and 51,730,154.61
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Solution
The fourth proportional to 93,543,259.99, 129,090,534.08 and 51,730,154.61 is: 71,388,075.29
Step by Step Solution
- Step 1: Write the proportion equation
93,543,259.99 : 129,090,534.08 = 51,730,154.61 : x - Step 2: Convert to fraction form
93,543,259.99/129,090,534.08 = 51,730,154.61/x - Step 3: Cross multiply
93,543,259.99x = 129,090,534.08 × 51,730,154.61 - Step 4: Simplify right side
93,543,259.99x = 6,677,873,286,387,223 - Step 5: Solve for x
x = 6,677,873,286,387,223/93,543,259.99 - Step 6: Final answer
x = 71,388,075.29
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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.