Finding the Fourth Proportional to 375,868,869.93, 563,824,850.70 and 99,512,903.02
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Solution
The fourth proportional to 375,868,869.93, 563,824,850.70 and 99,512,903.02 is: 149,275,058.87
Step by Step Solution
- Step 1: Write the proportion equation
375,868,869.93 : 563,824,850.70 = 99,512,903.02 : x - Step 2: Convert to fraction form
375,868,869.93/563,824,850.70 = 99,512,903.02/x - Step 3: Cross multiply
375,868,869.93x = 563,824,850.70 × 99,512,903.02 - Step 4: Simplify right side
375,868,869.93x = 56,107,847,687,975,080 - Step 5: Solve for x
x = 56,107,847,687,975,080/375,868,869.93 - Step 6: Final answer
x = 149,275,058.87
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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.