Finding the Fourth Proportional to 54,126,330.84, 74,622,075.53 and 42,999,742.08
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Solution
The fourth proportional to 54,126,330.84, 74,622,075.53 and 42,999,742.08 is: 59,282,237.52
Step by Step Solution
- Step 1: Write the proportion equation
54,126,330.84 : 74,622,075.53 = 42,999,742.08 : x - Step 2: Convert to fraction form
54,126,330.84/74,622,075.53 = 42,999,742.08/x - Step 3: Cross multiply
54,126,330.84x = 74,622,075.53 × 42,999,742.08 - Step 4: Simplify right side
54,126,330.84x = 3,208,730,001,049,280.50 - Step 5: Solve for x
x = 3,208,730,001,049,280.50/54,126,330.84 - Step 6: Final answer
x = 59,282,237.52
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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.