Finding the Fourth Proportional to 53,459,307.70, 73,773,844.63 and 29,013,021.70
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Solution
The fourth proportional to 53,459,307.70, 73,773,844.63 and 29,013,021.70 is: 40,037,969.95
Step by Step Solution
- Step 1: Write the proportion equation
53,459,307.70 : 73,773,844.63 = 29,013,021.70 : x - Step 2: Convert to fraction form
53,459,307.70/73,773,844.63 = 29,013,021.70/x - Step 3: Cross multiply
53,459,307.70x = 73,773,844.63 × 29,013,021.70 - Step 4: Simplify right side
53,459,307.70x = 2,140,402,155,382,242.75 - Step 5: Solve for x
x = 2,140,402,155,382,242.75/53,459,307.70 - Step 6: Final answer
x = 40,037,969.95
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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.