Finding the Fourth Proportional to 97,988,880.60, 135,223,582.14 and 53,934,937.56
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Solution
The fourth proportional to 97,988,880.60, 135,223,582.14 and 53,934,937.56 is: 74,429,623.18
Step by Step Solution
- Step 1: Write the proportion equation
97,988,880.60 : 135,223,582.14 = 53,934,937.56 : x - Step 2: Convert to fraction form
97,988,880.60/135,223,582.14 = 53,934,937.56/x - Step 3: Cross multiply
97,988,880.60x = 135,223,582.14 × 53,934,937.56 - Step 4: Simplify right side
97,988,880.60x = 7,293,275,459,360,431 - Step 5: Solve for x
x = 7,293,275,459,360,431/97,988,880.60 - Step 6: Final answer
x = 74,429,623.18
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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.