Finding the Fourth Proportional to 170,403,903.30, 255,605,854.95 and 149,358,839.70
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Solution
The fourth proportional to 170,403,903.30, 255,605,854.95 and 149,358,839.70 is: 224,038,259.55
Step by Step Solution
- Step 1: Write the proportion equation
170,403,903.30 : 255,605,854.95 = 149,358,839.70 : x - Step 2: Convert to fraction form
170,403,903.30/255,605,854.95 = 149,358,839.70/x - Step 3: Cross multiply
170,403,903.30x = 255,605,854.95 × 149,358,839.70 - Step 4: Simplify right side
170,403,903.30x = 38,176,993,915,858,496 - Step 5: Solve for x
x = 38,176,993,915,858,496/170,403,903.30 - Step 6: Final answer
x = 224,038,259.55
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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.