Finding the Fourth Proportional to 251,963,099.74, 347,709,074.79 and 136,069,595.74
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Solution
The fourth proportional to 251,963,099.74, 347,709,074.79 and 136,069,595.74 is: 187,776,040.58
Step by Step Solution
- Step 1: Write the proportion equation
251,963,099.74 : 347,709,074.79 = 136,069,595.74 : x - Step 2: Convert to fraction form
251,963,099.74/347,709,074.79 = 136,069,595.74/x - Step 3: Cross multiply
251,963,099.74x = 347,709,074.79 × 136,069,595.74 - Step 4: Simplify right side
251,963,099.74x = 47,312,633,241,804,728 - Step 5: Solve for x
x = 47,312,633,241,804,728/251,963,099.74 - Step 6: Final answer
x = 187,776,040.58
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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.