Finding the Fourth Proportional to 52,356,293.62, 72,249,354.01 and 30,013,261.49
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Solution
The fourth proportional to 52,356,293.62, 72,249,354.01 and 30,013,261.49 is: 41,416,964.50
Step by Step Solution
- Step 1: Write the proportion equation
52,356,293.62 : 72,249,354.01 = 30,013,261.49 : x - Step 2: Convert to fraction form
52,356,293.62/72,249,354.01 = 30,013,261.49/x - Step 3: Cross multiply
52,356,293.62x = 72,249,354.01 × 30,013,261.49 - Step 4: Simplify right side
52,356,293.62x = 2,168,438,754,385,710 - Step 5: Solve for x
x = 2,168,438,754,385,710/52,356,293.62 - Step 6: Final answer
x = 41,416,964.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.