Finding the Fourth Proportional to 75,865,813.60, 113,798,720.40 and 56,733,937.60
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Solution
The fourth proportional to 75,865,813.60, 113,798,720.40 and 56,733,937.60 is: 85,100,906.40
Step by Step Solution
- Step 1: Write the proportion equation
75,865,813.60 : 113,798,720.40 = 56,733,937.60 : x - Step 2: Convert to fraction form
75,865,813.60/113,798,720.40 = 56,733,937.60/x - Step 3: Cross multiply
75,865,813.60x = 113,798,720.40 × 56,733,937.60 - Step 4: Simplify right side
75,865,813.60x = 6,456,249,502,133,448 - Step 5: Solve for x
x = 6,456,249,502,133,448/75,865,813.60 - Step 6: Final answer
x = 85,100,906.40
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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.