Finding the Fourth Proportional to 68,593,655,062.54, 102,855,154,387.11 and 30,787,820,406.28
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Solution
The fourth proportional to 68,593,655,062.54, 102,855,154,387.11 and 30,787,820,406.28 is: 46,165,873,771.32
Step by Step Solution
- Step 1: Write the proportion equation
68,593,655,062.54 : 102,855,154,387.11 = 30,787,820,406.28 : x - Step 2: Convert to fraction form
68,593,655,062.54/102,855,154,387.11 = 30,787,820,406.28/x - Step 3: Cross multiply
68,593,655,062.54x = 102,855,154,387.11 × 30,787,820,406.28 - Step 4: Simplify right side
68,593,655,062.54x = 3,166,686,021,130,545,266,688 - Step 5: Solve for x
x = 3,166,686,021,130,545,266,688/68,593,655,062.54 - Step 6: Final answer
x = 46,165,873,771.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.