Finding the Fourth Proportional to 124,584,725.94, 171,921,718.41 and 71,657,409.48
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Solution
The fourth proportional to 124,584,725.94, 171,921,718.41 and 71,657,409.48 is: 98,884,232.25
Step by Step Solution
- Step 1: Write the proportion equation
124,584,725.94 : 171,921,718.41 = 71,657,409.48 : x - Step 2: Convert to fraction form
124,584,725.94/171,921,718.41 = 71,657,409.48/x - Step 3: Cross multiply
124,584,725.94x = 171,921,718.41 × 71,657,409.48 - Step 4: Simplify right side
124,584,725.94x = 12,319,464,974,610,624 - Step 5: Solve for x
x = 12,319,464,974,610,624/124,584,725.94 - Step 6: Final answer
x = 98,884,232.25
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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.