Finding the Fourth Proportional to 93,796,768.64, 140,487,274.56 and 72,071,454.08
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Solution
The fourth proportional to 93,796,768.64, 140,487,274.56 and 72,071,454.08 is: 107,947,451.75
Step by Step Solution
- Step 1: Write the proportion equation
93,796,768.64 : 140,487,274.56 = 72,071,454.08 : x - Step 2: Convert to fraction form
93,796,768.64/140,487,274.56 = 72,071,454.08/x - Step 3: Cross multiply
93,796,768.64x = 140,487,274.56 × 72,071,454.08 - Step 4: Simplify right side
93,796,768.64x = 10,125,122,157,275,392 - Step 5: Solve for x
x = 10,125,122,157,275,392/93,796,768.64 - Step 6: Final answer
x = 107,947,451.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.