Finding the Fourth Proportional to 185,549,312.68, 256,102,647.20 and 106,210,365.85
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Solution
The fourth proportional to 185,549,312.68, 256,102,647.20 and 106,210,365.85 is: 146,595,831.92
Step by Step Solution
- Step 1: Write the proportion equation
185,549,312.68 : 256,102,647.20 = 106,210,365.85 : x - Step 2: Convert to fraction form
185,549,312.68/256,102,647.20 = 106,210,365.85/x - Step 3: Cross multiply
185,549,312.68x = 256,102,647.20 × 106,210,365.85 - Step 4: Simplify right side
185,549,312.68x = 27,200,755,854,265,476 - Step 5: Solve for x
x = 27,200,755,854,265,476/185,549,312.68 - Step 6: Final answer
x = 146,595,831.92
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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.