Finding the Fourth Proportional to 83,030,437.60, 124,497,471.93 and 39,310,829.08
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Solution
The fourth proportional to 83,030,437.60, 124,497,471.93 and 39,310,829.08 is: 58,943,430.64
Step by Step Solution
- Step 1: Write the proportion equation
83,030,437.60 : 124,497,471.93 = 39,310,829.08 : x - Step 2: Convert to fraction form
83,030,437.60/124,497,471.93 = 39,310,829.08/x - Step 3: Cross multiply
83,030,437.60x = 124,497,471.93 × 39,310,829.08 - Step 4: Simplify right side
83,030,437.60x = 4,894,098,839,473,668 - Step 5: Solve for x
x = 4,894,098,839,473,668/83,030,437.60 - Step 6: Final answer
x = 58,943,430.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.