Finding the Fourth Proportional to 211,028,276.29, 291,235,177.08 and 132,778,903.45
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Solution
The fourth proportional to 211,028,276.29, 291,235,177.08 and 132,778,903.45 is: 183,245,051.98
Step by Step Solution
- Step 1: Write the proportion equation
211,028,276.29 : 291,235,177.08 = 132,778,903.45 : x - Step 2: Convert to fraction form
211,028,276.29/291,235,177.08 = 132,778,903.45/x - Step 3: Cross multiply
211,028,276.29x = 291,235,177.08 × 132,778,903.45 - Step 4: Simplify right side
211,028,276.29x = 38,669,887,458,748,968 - Step 5: Solve for x
x = 38,669,887,458,748,968/211,028,276.29 - Step 6: Final answer
x = 183,245,051.98
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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.