Finding the Fourth Proportional to 97,128,503.16, 134,037,689.94 and 53,075,507.28
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Solution
The fourth proportional to 97,128,503.16, 134,037,689.94 and 53,075,507.28 is: 73,244,394.35
Step by Step Solution
- Step 1: Write the proportion equation
97,128,503.16 : 134,037,689.94 = 53,075,507.28 : x - Step 2: Convert to fraction form
97,128,503.16/134,037,689.94 = 53,075,507.28/x - Step 3: Cross multiply
97,128,503.16x = 134,037,689.94 × 53,075,507.28 - Step 4: Simplify right side
97,128,503.16x = 7,114,118,388,204,853 - Step 5: Solve for x
x = 7,114,118,388,204,853/97,128,503.16 - Step 6: Final answer
x = 73,244,394.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.