Finding the Fourth Proportional to 98,408,178.25, 135,803,280.80 and 53,144,919.26
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Solution
The fourth proportional to 98,408,178.25, 135,803,280.80 and 53,144,919.26 is: 73,339,985.77
Step by Step Solution
- Step 1: Write the proportion equation
98,408,178.25 : 135,803,280.80 = 53,144,919.26 : x - Step 2: Convert to fraction form
98,408,178.25/135,803,280.80 = 53,144,919.26/x - Step 3: Cross multiply
98,408,178.25x = 135,803,280.80 × 53,144,919.26 - Step 4: Simplify right side
98,408,178.25x = 7,217,254,392,414,367 - Step 5: Solve for x
x = 7,217,254,392,414,367/98,408,178.25 - Step 6: Final answer
x = 73,339,985.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.