Finding the Fourth Proportional to 135,769,267.34, 187,381,331.97 and 76,237,246.52
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Solution
The fourth proportional to 135,769,267.34, 187,381,331.97 and 76,237,246.52 is: 105,218,486.32
Step by Step Solution
- Step 1: Write the proportion equation
135,769,267.34 : 187,381,331.97 = 76,237,246.52 : x - Step 2: Convert to fraction form
135,769,267.34/187,381,331.97 = 76,237,246.52/x - Step 3: Cross multiply
135,769,267.34x = 187,381,331.97 × 76,237,246.52 - Step 4: Simplify right side
135,769,267.34x = 14,285,436,798,122,730 - Step 5: Solve for x
x = 14,285,436,798,122,730/135,769,267.34 - Step 6: Final answer
x = 105,218,486.32
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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.