Finding the Fourth Proportional to 102,454,395.58, 153,435,343.20 and 58,602,209.86
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Solution
The fourth proportional to 102,454,395.58, 153,435,343.20 and 58,602,209.86 is: 87,762,463.79
Step by Step Solution
- Step 1: Write the proportion equation
102,454,395.58 : 153,435,343.20 = 58,602,209.86 : x - Step 2: Convert to fraction form
102,454,395.58/153,435,343.20 = 58,602,209.86/x - Step 3: Cross multiply
102,454,395.58x = 153,435,343.20 × 58,602,209.86 - Step 4: Simplify right side
102,454,395.58x = 8,991,650,182,147,523 - Step 5: Solve for x
x = 8,991,650,182,147,523/102,454,395.58 - Step 6: Final answer
x = 87,762,463.79
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1.5x scale
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.