Finding the Fourth Proportional to 130,556,064,931.05, 195,923,551,659.99 and 45,565,859,424.49
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Solution
The fourth proportional to 130,556,064,931.05, 195,923,551,659.99 and 45,565,859,424.49 is: 68,380,009,903.04
Step by Step Solution
- Step 1: Write the proportion equation
130,556,064,931.05 : 195,923,551,659.99 = 45,565,859,424.49 : x - Step 2: Convert to fraction form
130,556,064,931.05/195,923,551,659.99 = 45,565,859,424.49/x - Step 3: Cross multiply
130,556,064,931.05x = 195,923,551,659.99 × 45,565,859,424.49 - Step 4: Simplify right side
130,556,064,931.05x = 8,927,425,012,886,495,297,536 - Step 5: Solve for x
x = 8,927,425,012,886,495,297,536/130,556,064,931.05 - Step 6: Final answer
x = 68,380,009,903.04
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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.