Finding the Fourth Proportional to 85,636,541.32, 118,178,541.06 and 46,478,318.07
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Solution
The fourth proportional to 85,636,541.32, 118,178,541.06 and 46,478,318.07 is: 64,140,140.83
Step by Step Solution
- Step 1: Write the proportion equation
85,636,541.32 : 118,178,541.06 = 46,478,318.07 : x - Step 2: Convert to fraction form
85,636,541.32/118,178,541.06 = 46,478,318.07/x - Step 3: Cross multiply
85,636,541.32x = 118,178,541.06 × 46,478,318.07 - Step 4: Simplify right side
85,636,541.32x = 5,492,739,820,435,235 - Step 5: Solve for x
x = 5,492,739,820,435,235/85,636,541.32 - Step 6: Final answer
x = 64,140,140.83
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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.