Finding the Fourth Proportional to 65,207,974.65, 97,811,961.98 and 42,249,723.45
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Solution
The fourth proportional to 65,207,974.65, 97,811,961.98 and 42,249,723.45 is: 63,374,585.18
Step by Step Solution
- Step 1: Write the proportion equation
65,207,974.65 : 97,811,961.98 = 42,249,723.45 : x - Step 2: Convert to fraction form
65,207,974.65/97,811,961.98 = 42,249,723.45/x - Step 3: Cross multiply
65,207,974.65x = 97,811,961.98 × 42,249,723.45 - Step 4: Simplify right side
65,207,974.65x = 4,132,528,343,545,666 - Step 5: Solve for x
x = 4,132,528,343,545,666/65,207,974.65 - Step 6: Final answer
x = 63,374,585.18
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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.