Finding the Fourth Proportional to 43,117,347.84, 64,346,038.04 and 38,516,730.90
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Solution
The fourth proportional to 43,117,347.84, 64,346,038.04 and 38,516,730.90 is: 57,480,321.86
Step by Step Solution
- Step 1: Write the proportion equation
43,117,347.84 : 64,346,038.04 = 38,516,730.90 : x - Step 2: Convert to fraction form
43,117,347.84/64,346,038.04 = 38,516,730.90/x - Step 3: Cross multiply
43,117,347.84x = 64,346,038.04 × 38,516,730.90 - Step 4: Simplify right side
43,117,347.84x = 2,478,399,031,667,843.50 - Step 5: Solve for x
x = 2,478,399,031,667,843.50/43,117,347.84 - Step 6: Final answer
x = 57,480,321.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.