Finding the Fourth Proportional to 97,605,408,901.77, 134,688,072,221.15 and 54,777,620,337.21
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Solution
The fourth proportional to 97,605,408,901.77, 134,688,072,221.15 and 54,777,620,337.21 is: 75,588,967,528.49
Step by Step Solution
- Step 1: Write the proportion equation
97,605,408,901.77 : 134,688,072,221.15 = 54,777,620,337.21 : x - Step 2: Convert to fraction form
97,605,408,901.77/134,688,072,221.15 = 54,777,620,337.21/x - Step 3: Cross multiply
97,605,408,901.77x = 134,688,072,221.15 × 54,777,620,337.21 - Step 4: Simplify right side
97,605,408,901.77x = 7,377,892,084,080,202,219,520 - Step 5: Solve for x
x = 7,377,892,084,080,202,219,520/97,605,408,901.77 - Step 6: Final answer
x = 75,588,967,528.49
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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.