Finding the Fourth Proportional to 98,516,605.05, 135,930,358.05 and 58,816,408.21
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Solution
The fourth proportional to 98,516,605.05, 135,930,358.05 and 58,816,408.21 is: 81,153,176.39
Step by Step Solution
- Step 1: Write the proportion equation
98,516,605.05 : 135,930,358.05 = 58,816,408.21 : x - Step 2: Convert to fraction form
98,516,605.05/135,930,358.05 = 58,816,408.21/x - Step 3: Cross multiply
98,516,605.05x = 135,930,358.05 × 58,816,408.21 - Step 4: Simplify right side
98,516,605.05x = 7,994,935,426,639,872 - Step 5: Solve for x
x = 7,994,935,426,639,872/98,516,605.05 - Step 6: Final answer
x = 81,153,176.39
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1.5x scale
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.