Finding the Fourth Proportional to 62,169,886.20, 93,254,829.30 and 58,387,639.80
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Solution
The fourth proportional to 62,169,886.20, 93,254,829.30 and 58,387,639.80 is: 87,581,459.70
Step by Step Solution
- Step 1: Write the proportion equation
62,169,886.20 : 93,254,829.30 = 58,387,639.80 : x - Step 2: Convert to fraction form
62,169,886.20/93,254,829.30 = 58,387,639.80/x - Step 3: Cross multiply
62,169,886.20x = 93,254,829.30 × 58,387,639.80 - Step 4: Simplify right side
62,169,886.20x = 5,444,929,382,778,886 - Step 5: Solve for x
x = 5,444,929,382,778,886/62,169,886.20 - Step 6: Final answer
x = 87,581,459.70
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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.