Finding the Fourth Proportional to 125,209,807.71, 187,723,909.87 and 84,167,449.65
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Solution
The fourth proportional to 125,209,807.71, 187,723,909.87 and 84,167,449.65 is: 126,190,136.55
Step by Step Solution
- Step 1: Write the proportion equation
125,209,807.71 : 187,723,909.87 = 84,167,449.65 : x - Step 2: Convert to fraction form
125,209,807.71/187,723,909.87 = 84,167,449.65/x - Step 3: Cross multiply
125,209,807.71x = 187,723,909.87 × 84,167,449.65 - Step 4: Simplify right side
125,209,807.71x = 15,800,242,732,189,574 - Step 5: Solve for x
x = 15,800,242,732,189,574/125,209,807.71 - Step 6: Final answer
x = 126,190,136.55
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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.