Finding the Fourth Proportional to 97,128,030.36, 134,037,039.15 and 53,075,035.98
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Solution
The fourth proportional to 97,128,030.36, 134,037,039.15 and 53,075,035.98 is: 73,243,744.87
Step by Step Solution
- Step 1: Write the proportion equation
97,128,030.36 : 134,037,039.15 = 53,075,035.98 : x - Step 2: Convert to fraction form
97,128,030.36/134,037,039.15 = 53,075,035.98/x - Step 3: Cross multiply
97,128,030.36x = 134,037,039.15 × 53,075,035.98 - Step 4: Simplify right side
97,128,030.36x = 7,114,020,675,538,918 - Step 5: Solve for x
x = 7,114,020,675,538,918/97,128,030.36 - Step 6: Final answer
x = 73,243,744.87
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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.