Finding the Fourth Proportional to 259,890,787.71, 389,832,508.26 and 63,155,646.99
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Solution
The fourth proportional to 259,890,787.71, 389,832,508.26 and 63,155,646.99 is: 94,732,577.84
Step by Step Solution
- Step 1: Write the proportion equation
259,890,787.71 : 389,832,508.26 = 63,155,646.99 : x - Step 2: Convert to fraction form
259,890,787.71/389,832,508.26 = 63,155,646.99/x - Step 3: Cross multiply
259,890,787.71x = 389,832,508.26 × 63,155,646.99 - Step 4: Simplify right side
259,890,787.71x = 24,620,124,276,894,820 - Step 5: Solve for x
x = 24,620,124,276,894,820/259,890,787.71 - Step 6: Final answer
x = 94,732,577.84
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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.