Finding the Fourth Proportional to 51,249,103,543.80, 76,873,655,315.70 and 40,241,572,126.20
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Solution
The fourth proportional to 51,249,103,543.80, 76,873,655,315.70 and 40,241,572,126.20 is: 60,362,358,189.30
Step by Step Solution
- Step 1: Write the proportion equation
51,249,103,543.80 : 76,873,655,315.70 = 40,241,572,126.20 : x - Step 2: Convert to fraction form
51,249,103,543.80/76,873,655,315.70 = 40,241,572,126.20/x - Step 3: Cross multiply
51,249,103,543.80x = 76,873,655,315.70 × 40,241,572,126.20 - Step 4: Simplify right side
51,249,103,543.80x = 3,093,516,744,991,379,030,016 - Step 5: Solve for x
x = 3,093,516,744,991,379,030,016/51,249,103,543.80 - Step 6: Final answer
x = 60,362,358,189.30
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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.