Finding the Fourth Proportional to 56,050,147.80, 84,075,221.70 and 15,660,631.80
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Solution
The fourth proportional to 56,050,147.80, 84,075,221.70 and 15,660,631.80 is: 23,490,947.70
Step by Step Solution
- Step 1: Write the proportion equation
56,050,147.80 : 84,075,221.70 = 15,660,631.80 : x - Step 2: Convert to fraction form
56,050,147.80/84,075,221.70 = 15,660,631.80/x - Step 3: Cross multiply
56,050,147.80x = 84,075,221.70 × 15,660,631.80 - Step 4: Simplify right side
56,050,147.80x = 1,316,671,090,547,070.25 - Step 5: Solve for x
x = 1,316,671,090,547,070.25/56,050,147.80 - Step 6: Final answer
x = 23,490,947.70
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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.