Finding the Fourth Proportional to 130,160,947.04, 179,621,614.14 and 71,424,595.09
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Solution
The fourth proportional to 130,160,947.04, 179,621,614.14 and 71,424,595.09 is: 98,565,670.82
Step by Step Solution
- Step 1: Write the proportion equation
130,160,947.04 : 179,621,614.14 = 71,424,595.09 : x - Step 2: Convert to fraction form
130,160,947.04/179,621,614.14 = 71,424,595.09/x - Step 3: Cross multiply
130,160,947.04x = 179,621,614.14 × 71,424,595.09 - Step 4: Simplify right side
130,160,947.04x = 12,829,401,058,463,608 - Step 5: Solve for x
x = 12,829,401,058,463,608/130,160,947.04 - Step 6: Final answer
x = 98,565,670.82
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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.