Finding the Fourth Proportional to 137,076,853.68, 189,165,120.24 and 74,352,699.18
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Solution
The fourth proportional to 137,076,853.68, 189,165,120.24 and 74,352,699.18 is: 102,606,216.17
Step by Step Solution
- Step 1: Write the proportion equation
137,076,853.68 : 189,165,120.24 = 74,352,699.18 : x - Step 2: Convert to fraction form
137,076,853.68/189,165,120.24 = 74,352,699.18/x - Step 3: Cross multiply
137,076,853.68x = 189,165,120.24 × 74,352,699.18 - Step 4: Simplify right side
137,076,853.68x = 14,064,937,280,553,252 - Step 5: Solve for x
x = 14,064,937,280,553,252/137,076,853.68 - Step 6: Final answer
x = 102,606,216.17
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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.