Finding the Fourth Proportional to 86,776,684.50, 130,201,525.35 and 54,014,642.04
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Solution
The fourth proportional to 86,776,684.50, 130,201,525.35 and 54,014,642.04 is: 81,044,681.82
Step by Step Solution
- Step 1: Write the proportion equation
86,776,684.50 : 130,201,525.35 = 54,014,642.04 : x - Step 2: Convert to fraction form
86,776,684.50/130,201,525.35 = 54,014,642.04/x - Step 3: Cross multiply
86,776,684.50x = 130,201,525.35 × 54,014,642.04 - Step 4: Simplify right side
86,776,684.50x = 7,032,788,784,842,235 - Step 5: Solve for x
x = 7,032,788,784,842,235/86,776,684.50 - Step 6: Final answer
x = 81,044,681.82
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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.