Finding the Fourth Proportional to 228,239,695.96, 314,970,779.82 and 130,456,651.48
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Solution
The fourth proportional to 228,239,695.96, 314,970,779.82 and 130,456,651.48 is: 180,030,178.70
Step by Step Solution
- Step 1: Write the proportion equation
228,239,695.96 : 314,970,779.82 = 130,456,651.48 : x - Step 2: Convert to fraction form
228,239,695.96/314,970,779.82 = 130,456,651.48/x - Step 3: Cross multiply
228,239,695.96x = 314,970,779.82 × 130,456,651.48 - Step 4: Simplify right side
228,239,695.96x = 41,090,033,249,361,560 - Step 5: Solve for x
x = 41,090,033,249,361,560/228,239,695.96 - Step 6: Final answer
x = 180,030,178.70
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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.