Finding the Fourth Proportional to 80,779,295.08, 121,213,026.78 and 46,767,071.08
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Solution
The fourth proportional to 80,779,295.08, 121,213,026.78 and 46,767,071.08 is: 70,176,129.09
Step by Step Solution
- Step 1: Write the proportion equation
80,779,295.08 : 121,213,026.78 = 46,767,071.08 : x - Step 2: Convert to fraction form
80,779,295.08/121,213,026.78 = 46,767,071.08/x - Step 3: Cross multiply
80,779,295.08x = 121,213,026.78 × 46,767,071.08 - Step 4: Simplify right side
80,779,295.08x = 5,668,778,239,242,203 - Step 5: Solve for x
x = 5,668,778,239,242,203/80,779,295.08 - Step 6: Final answer
x = 70,176,129.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.