Finding the Fourth Proportional to 130,074,571.18, 179,506,203.87 and 71,339,574.70
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Solution
The fourth proportional to 130,074,571.18, 179,506,203.87 and 71,339,574.70 is: 98,450,420.59
Step by Step Solution
- Step 1: Write the proportion equation
130,074,571.18 : 179,506,203.87 = 71,339,574.70 : x - Step 2: Convert to fraction form
130,074,571.18/179,506,203.87 = 71,339,574.70/x - Step 3: Cross multiply
130,074,571.18x = 179,506,203.87 × 71,339,574.70 - Step 4: Simplify right side
130,074,571.18x = 12,805,896,240,097,294 - Step 5: Solve for x
x = 12,805,896,240,097,294/130,074,571.18 - Step 6: Final answer
x = 98,450,420.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.