Finding the Fourth Proportional to 52,768,836.16, 72,828,681.76 and 29,565,531.52
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Solution
The fourth proportional to 52,768,836.16, 72,828,681.76 and 29,565,531.52 is: 40,804,740.88
Step by Step Solution
- Step 1: Write the proportion equation
52,768,836.16 : 72,828,681.76 = 29,565,531.52 : x - Step 2: Convert to fraction form
52,768,836.16/72,828,681.76 = 29,565,531.52/x - Step 3: Cross multiply
52,768,836.16x = 72,828,681.76 × 29,565,531.52 - Step 4: Simplify right side
52,768,836.16x = 2,153,218,686,135,329.25 - Step 5: Solve for x
x = 2,153,218,686,135,329.25/52,768,836.16 - Step 6: Final answer
x = 40,804,740.88
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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.