Finding the Fourth Proportional to 291,490,217.60, 437,257,930.80 and 97,402,326.80
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Solution
The fourth proportional to 291,490,217.60, 437,257,930.80 and 97,402,326.80 is: 146,111,043.53
Step by Step Solution
- Step 1: Write the proportion equation
291,490,217.60 : 437,257,930.80 = 97,402,326.80 : x - Step 2: Convert to fraction form
291,490,217.60/437,257,930.80 = 97,402,326.80/x - Step 3: Cross multiply
291,490,217.60x = 437,257,930.80 × 97,402,326.80 - Step 4: Simplify right side
291,490,217.60x = 42,589,939,871,673,384 - Step 5: Solve for x
x = 42,589,939,871,673,384/291,490,217.60 - Step 6: Final answer
x = 146,111,043.53
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1.5x scale
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.