Finding the Fourth Proportional to 133,126,256.76, 183,710,709.85 and 74,389,404.53
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Solution
The fourth proportional to 133,126,256.76, 183,710,709.85 and 74,389,404.53 is: 102,655,408.81
Step by Step Solution
- Step 1: Write the proportion equation
133,126,256.76 : 183,710,709.85 = 74,389,404.53 : x - Step 2: Convert to fraction form
133,126,256.76/183,710,709.85 = 74,389,404.53/x - Step 3: Cross multiply
133,126,256.76x = 183,710,709.85 × 74,389,404.53 - Step 4: Simplify right side
133,126,256.76x = 13,666,130,311,525,106 - Step 5: Solve for x
x = 13,666,130,311,525,106/133,126,256.76 - Step 6: Final answer
x = 102,655,408.81
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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.