Finding the Fourth Proportional to 73,973,326.68, 101,999,652.30 and 55,328,715.50
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Solution
The fourth proportional to 73,973,326.68, 101,999,652.30 and 55,328,715.50 is: 76,291,144.34
Step by Step Solution
- Step 1: Write the proportion equation
73,973,326.68 : 101,999,652.30 = 55,328,715.50 : x - Step 2: Convert to fraction form
73,973,326.68/101,999,652.30 = 55,328,715.50/x - Step 3: Cross multiply
73,973,326.68x = 101,999,652.30 × 55,328,715.50 - Step 4: Simplify right side
73,973,326.68x = 5,643,509,742,695,622 - Step 5: Solve for x
x = 5,643,509,742,695,622/73,973,326.68 - Step 6: Final answer
x = 76,291,144.34
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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.