Finding the Fourth Proportional to 125,247,800.09, 187,679,950.65 and 52,424,931.93
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Solution
The fourth proportional to 125,247,800.09, 187,679,950.65 and 52,424,931.93 is: 78,557,137.38
Step by Step Solution
- Step 1: Write the proportion equation
125,247,800.09 : 187,679,950.65 = 52,424,931.93 : x - Step 2: Convert to fraction form
125,247,800.09/187,679,950.65 = 52,424,931.93/x - Step 3: Cross multiply
125,247,800.09x = 187,679,950.65 × 52,424,931.93 - Step 4: Simplify right side
125,247,800.09x = 9,839,108,637,452,010 - Step 5: Solve for x
x = 9,839,108,637,452,010/125,247,800.09 - Step 6: Final answer
x = 78,557,137.38
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1.5x scale
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.