Finding the Fourth Proportional to 177,292,931.74, 266,043,028.60 and 128,060,237.50
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Solution
The fourth proportional to 177,292,931.74, 266,043,028.60 and 128,060,237.50 is: 192,165,209.82
Step by Step Solution
- Step 1: Write the proportion equation
177,292,931.74 : 266,043,028.60 = 128,060,237.50 : x - Step 2: Convert to fraction form
177,292,931.74/266,043,028.60 = 128,060,237.50/x - Step 3: Cross multiply
177,292,931.74x = 266,043,028.60 × 128,060,237.50 - Step 4: Simplify right side
177,292,931.74x = 34,069,533,426,750,036 - Step 5: Solve for x
x = 34,069,533,426,750,036/177,292,931.74 - Step 6: Final answer
x = 192,165,209.82
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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.