Finding the Fourth Proportional to 52,356,294.12, 72,249,354.70 and 30,013,261.99
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Solution
The fourth proportional to 52,356,294.12, 72,249,354.70 and 30,013,261.99 is: 41,416,965.19
Step by Step Solution
- Step 1: Write the proportion equation
52,356,294.12 : 72,249,354.70 = 30,013,261.99 : x - Step 2: Convert to fraction form
52,356,294.12/72,249,354.70 = 30,013,261.99/x - Step 3: Cross multiply
52,356,294.12x = 72,249,354.70 × 30,013,261.99 - Step 4: Simplify right side
52,356,294.12x = 2,168,438,811,219,537.75 - Step 5: Solve for x
x = 2,168,438,811,219,537.75/52,356,294.12 - Step 6: Final answer
x = 41,416,965.19
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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.