Finding the Fourth Proportional to 130,455,698.99, 195,683,584.86 and 38,339,432.06
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Solution
The fourth proportional to 130,455,698.99, 195,683,584.86 and 38,339,432.06 is: 57,509,158.77
Step by Step Solution
- Step 1: Write the proportion equation
130,455,698.99 : 195,683,584.86 = 38,339,432.06 : x - Step 2: Convert to fraction form
130,455,698.99/195,683,584.86 = 38,339,432.06/x - Step 3: Cross multiply
130,455,698.99x = 195,683,584.86 × 38,339,432.06 - Step 4: Simplify right side
130,455,698.99x = 7,502,397,506,018,797 - Step 5: Solve for x
x = 7,502,397,506,018,797/130,455,698.99 - Step 6: Final answer
x = 57,509,158.77
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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.