Finding the Fourth Proportional to 283,731,901.71, 391,549,847.50 and 153,351,709.71
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Solution
The fourth proportional to 283,731,901.71, 391,549,847.50 and 153,351,709.71 is: 211,625,263.80
Step by Step Solution
- Step 1: Write the proportion equation
283,731,901.71 : 391,549,847.50 = 153,351,709.71 : x - Step 2: Convert to fraction form
283,731,901.71/391,549,847.50 = 153,351,709.71/x - Step 3: Cross multiply
283,731,901.71x = 391,549,847.50 × 153,351,709.71 - Step 4: Simplify right side
283,731,901.71x = 60,044,838,548,090,264 - Step 5: Solve for x
x = 60,044,838,548,090,264/283,731,901.71 - Step 6: Final answer
x = 211,625,263.80
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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.