Finding the Fourth Proportional to 86,973,393.97, 119,910,628.70 and 56,331,681.70
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Solution
The fourth proportional to 86,973,393.97, 119,910,628.70 and 56,331,681.70 is: 77,664,755.39
Step by Step Solution
- Step 1: Write the proportion equation
86,973,393.97 : 119,910,628.70 = 56,331,681.70 : x - Step 2: Convert to fraction form
86,973,393.97/119,910,628.70 = 56,331,681.70/x - Step 3: Cross multiply
86,973,393.97x = 119,910,628.70 × 56,331,681.70 - Step 4: Simplify right side
86,973,393.97x = 6,754,767,368,224,813 - Step 5: Solve for x
x = 6,754,767,368,224,813/86,973,393.97 - Step 6: Final answer
x = 77,664,755.39
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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.