Finding the Fourth Proportional to 199,485,620.60, 299,417,387.70 and 122,958,116.60
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Solution
The fourth proportional to 199,485,620.60, 299,417,387.70 and 122,958,116.60 is: 184,553,643.31
Step by Step Solution
- Step 1: Write the proportion equation
199,485,620.60 : 299,417,387.70 = 122,958,116.60 : x - Step 2: Convert to fraction form
199,485,620.60/299,417,387.70 = 122,958,116.60/x - Step 3: Cross multiply
199,485,620.60x = 299,417,387.70 × 122,958,116.60 - Step 4: Simplify right side
199,485,620.60x = 36,815,798,068,884,000 - Step 5: Solve for x
x = 36,815,798,068,884,000/199,485,620.60 - Step 6: Final answer
x = 184,553,643.31
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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.