Finding the Fourth Proportional to 86,307,547.84, 119,106,171.78 and 47,151,860.70
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Solution
The fourth proportional to 86,307,547.84, 119,106,171.78 and 47,151,860.70 is: 65,070,526.98
Step by Step Solution
- Step 1: Write the proportion equation
86,307,547.84 : 119,106,171.78 = 47,151,860.70 : x - Step 2: Convert to fraction form
86,307,547.84/119,106,171.78 = 47,151,860.70/x - Step 3: Cross multiply
86,307,547.84x = 119,106,171.78 × 47,151,860.70 - Step 4: Simplify right side
86,307,547.84x = 5,616,077,620,280,831 - Step 5: Solve for x
x = 5,616,077,620,280,831/86,307,547.84 - Step 6: Final answer
x = 65,070,526.98
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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.