Finding the Fourth Proportional to 124,584,722.44, 171,921,713.58 and 71,657,405.98
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Solution
The fourth proportional to 124,584,722.44, 171,921,713.58 and 71,657,405.98 is: 98,884,227.42
Step by Step Solution
- Step 1: Write the proportion equation
124,584,722.44 : 171,921,713.58 = 71,657,405.98 : x - Step 2: Convert to fraction form
124,584,722.44/171,921,713.58 = 71,657,405.98/x - Step 3: Cross multiply
124,584,722.44x = 171,921,713.58 × 71,657,405.98 - Step 4: Simplify right side
124,584,722.44x = 12,319,464,026,779,340 - Step 5: Solve for x
x = 12,319,464,026,779,340/124,584,722.44 - Step 6: Final answer
x = 98,884,227.42
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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.