Finding the Fourth Proportional to 65,139,405.20, 97,746,432.60 and 24,778,854.80
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Solution
The fourth proportional to 65,139,405.20, 97,746,432.60 and 24,778,854.80 is: 37,182,480.45
Step by Step Solution
- Step 1: Write the proportion equation
65,139,405.20 : 97,746,432.60 = 24,778,854.80 : x - Step 2: Convert to fraction form
65,139,405.20/97,746,432.60 = 24,778,854.80/x - Step 3: Cross multiply
65,139,405.20x = 97,746,432.60 × 24,778,854.80 - Step 4: Simplify right side
65,139,405.20x = 2,422,044,660,613,386.50 - Step 5: Solve for x
x = 2,422,044,660,613,386.50/65,139,405.20 - Step 6: Final answer
x = 37,182,480.45
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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.