Finding the Fourth Proportional to 99,098,771.48, 136,725,451.61 and 57,267,597.23
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Solution
The fourth proportional to 99,098,771.48, 136,725,451.61 and 57,267,597.23 is: 79,011,454.71
Step by Step Solution
- Step 1: Write the proportion equation
99,098,771.48 : 136,725,451.61 = 57,267,597.23 : x - Step 2: Convert to fraction form
99,098,771.48/136,725,451.61 = 57,267,597.23/x - Step 3: Cross multiply
99,098,771.48x = 136,725,451.61 × 57,267,597.23 - Step 4: Simplify right side
99,098,771.48x = 7,829,938,094,376,319 - Step 5: Solve for x
x = 7,829,938,094,376,319/99,098,771.48 - Step 6: Final answer
x = 79,011,454.71
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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.