Finding the Fourth Proportional to 130,132,990.80, 195,518,350.80 and 97,847,950.05
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Solution
The fourth proportional to 130,132,990.80, 195,518,350.80 and 97,847,950.05 is: 147,011,681.71
Step by Step Solution
- Step 1: Write the proportion equation
130,132,990.80 : 195,518,350.80 = 97,847,950.05 : x - Step 2: Convert to fraction form
130,132,990.80/195,518,350.80 = 97,847,950.05/x - Step 3: Cross multiply
130,132,990.80x = 195,518,350.80 × 97,847,950.05 - Step 4: Simplify right side
130,132,990.80x = 19,131,069,822,936,780 - Step 5: Solve for x
x = 19,131,069,822,936,780/130,132,990.80 - Step 6: Final answer
x = 147,011,681.71
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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.