Finding the Fourth Proportional to 87,426,219,272.72, 120,648,221,547.24 and 47,328,197,362.96
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Solution
The fourth proportional to 87,426,219,272.72, 120,648,221,547.24 and 47,328,197,362.96 is: 65,312,933,446.95
Step by Step Solution
- Step 1: Write the proportion equation
87,426,219,272.72 : 120,648,221,547.24 = 47,328,197,362.96 : x - Step 2: Convert to fraction form
87,426,219,272.72/120,648,221,547.24 = 47,328,197,362.96/x - Step 3: Cross multiply
87,426,219,272.72x = 120,648,221,547.24 × 47,328,197,362.96 - Step 4: Simplify right side
87,426,219,272.72x = 5,710,062,840,877,897,744,384 - Step 5: Solve for x
x = 5,710,062,840,877,897,744,384/87,426,219,272.72 - Step 6: Final answer
x = 65,312,933,446.95
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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.