Finding the Fourth Proportional to 130,747,088.42, 180,443,726.64 and 97,649,877.12
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Solution
The fourth proportional to 130,747,088.42, 180,443,726.64 and 97,649,877.12 is: 134,766,348.88
Step by Step Solution
- Step 1: Write the proportion equation
130,747,088.42 : 180,443,726.64 = 97,649,877.12 : x - Step 2: Convert to fraction form
130,747,088.42/180,443,726.64 = 97,649,877.12/x - Step 3: Cross multiply
130,747,088.42x = 180,443,726.64 × 97,649,877.12 - Step 4: Simplify right side
130,747,088.42x = 17,620,307,733,470,870 - Step 5: Solve for x
x = 17,620,307,733,470,870/130,747,088.42 - Step 6: Final answer
x = 134,766,348.88
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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.