Finding the Fourth Proportional to 135,730,654.98, 187,327,516.23 and 77,007,867.90
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Solution
The fourth proportional to 135,730,654.98, 187,327,516.23 and 77,007,867.90 is: 106,281,757.99
Step by Step Solution
- Step 1: Write the proportion equation
135,730,654.98 : 187,327,516.23 = 77,007,867.90 : x - Step 2: Convert to fraction form
135,730,654.98/187,327,516.23 = 77,007,867.90/x - Step 3: Cross multiply
135,730,654.98x = 187,327,516.23 × 77,007,867.90 - Step 4: Simplify right side
135,730,654.98x = 14,425,692,623,874,946 - Step 5: Solve for x
x = 14,425,692,623,874,946/135,730,654.98 - Step 6: Final answer
x = 106,281,757.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.