Finding the Fourth Proportional to 91,264,749.78, 125,951,533.95 and 51,558,509.15
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Solution
The fourth proportional to 91,264,749.78, 125,951,533.95 and 51,558,509.15 is: 71,154,233.49
Step by Step Solution
- Step 1: Write the proportion equation
91,264,749.78 : 125,951,533.95 = 51,558,509.15 : x - Step 2: Convert to fraction form
91,264,749.78/125,951,533.95 = 51,558,509.15/x - Step 3: Cross multiply
91,264,749.78x = 125,951,533.95 × 51,558,509.15 - Step 4: Simplify right side
91,264,749.78x = 6,493,873,315,653,516 - Step 5: Solve for x
x = 6,493,873,315,653,516/91,264,749.78 - Step 6: Final answer
x = 71,154,233.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.