Finding the Fourth Proportional to 291,646,964.64, 437,513,946.96 and 107,400,274.08
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Solution
The fourth proportional to 291,646,964.64, 437,513,946.96 and 107,400,274.08 is: 161,116,430.19
Step by Step Solution
- Step 1: Write the proportion equation
291,646,964.64 : 437,513,946.96 = 107,400,274.08 : x - Step 2: Convert to fraction form
291,646,964.64/437,513,946.96 = 107,400,274.08/x - Step 3: Cross multiply
291,646,964.64x = 437,513,946.96 × 107,400,274.08 - Step 4: Simplify right side
291,646,964.64x = 46,989,117,817,326,576 - Step 5: Solve for x
x = 46,989,117,817,326,576/291,646,964.64 - Step 6: Final answer
x = 161,116,430.19
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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.