Finding the Fourth Proportional to 135,149,646.30, 186,513,753.53 and 75,607,390.45
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Solution
The fourth proportional to 135,149,646.30, 186,513,753.53 and 75,607,390.45 is: 104,342,250.04
Step by Step Solution
- Step 1: Write the proportion equation
135,149,646.30 : 186,513,753.53 = 75,607,390.45 : x - Step 2: Convert to fraction form
135,149,646.30/186,513,753.53 = 75,607,390.45/x - Step 3: Cross multiply
135,149,646.30x = 186,513,753.53 × 75,607,390.45 - Step 4: Simplify right side
135,149,646.30x = 14,101,818,187,526,024 - Step 5: Solve for x
x = 14,101,818,187,526,024/135,149,646.30 - Step 6: Final answer
x = 104,342,250.04
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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.