Finding the Fourth Proportional to 93,688,986.60, 129,294,842.58 and 51,873,052.84
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Solution
The fourth proportional to 93,688,986.60, 129,294,842.58 and 51,873,052.84 is: 71,587,050.35
Step by Step Solution
- Step 1: Write the proportion equation
93,688,986.60 : 129,294,842.58 = 51,873,052.84 : x - Step 2: Convert to fraction form
93,688,986.60/129,294,842.58 = 51,873,052.84/x - Step 3: Cross multiply
93,688,986.60x = 129,294,842.58 × 51,873,052.84 - Step 4: Simplify right side
93,688,986.60x = 6,706,918,201,091,822 - Step 5: Solve for x
x = 6,706,918,201,091,822/93,688,986.60 - Step 6: Final answer
x = 71,587,050.35
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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.