Finding the Fourth Proportional to 101,341,154.58, 139,847,046.66 and 54,930,412.05
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Solution
The fourth proportional to 101,341,154.58, 139,847,046.66 and 54,930,412.05 is: 75,801,937.81
Step by Step Solution
- Step 1: Write the proportion equation
101,341,154.58 : 139,847,046.66 = 54,930,412.05 : x - Step 2: Convert to fraction form
101,341,154.58/139,847,046.66 = 54,930,412.05/x - Step 3: Cross multiply
101,341,154.58x = 139,847,046.66 × 54,930,412.05 - Step 4: Simplify right side
101,341,154.58x = 7,681,855,897,009,376 - Step 5: Solve for x
x = 7,681,855,897,009,376/101,341,154.58 - Step 6: Final answer
x = 75,801,937.81
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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.