Finding the Fourth Proportional to 110,289,991.80, 165,434,987.70 and 52,894,363.80
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Solution
The fourth proportional to 110,289,991.80, 165,434,987.70 and 52,894,363.80 is: 79,341,545.70
Step by Step Solution
- Step 1: Write the proportion equation
110,289,991.80 : 165,434,987.70 = 52,894,363.80 : x - Step 2: Convert to fraction form
110,289,991.80/165,434,987.70 = 52,894,363.80/x - Step 3: Cross multiply
110,289,991.80x = 165,434,987.70 × 52,894,363.80 - Step 4: Simplify right side
110,289,991.80x = 8,750,578,424,652,324 - Step 5: Solve for x
x = 8,750,578,424,652,324/110,289,991.80 - Step 6: Final answer
x = 79,341,545.70
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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.