Finding the Fourth Proportional to 97,946,235.84, 135,180,586.08 and 56,720,061.12
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Solution
The fourth proportional to 97,946,235.84, 135,180,586.08 and 56,720,061.12 is: 78,282,243.71
Step by Step Solution
- Step 1: Write the proportion equation
97,946,235.84 : 135,180,586.08 = 56,720,061.12 : x - Step 2: Convert to fraction form
97,946,235.84/135,180,586.08 = 56,720,061.12/x - Step 3: Cross multiply
97,946,235.84x = 135,180,586.08 × 56,720,061.12 - Step 4: Simplify right side
97,946,235.84x = 7,667,451,104,695,022 - Step 5: Solve for x
x = 7,667,451,104,695,022/97,946,235.84 - Step 6: Final answer
x = 78,282,243.71
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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.