Finding the Fourth Proportional to 70,365,355.80, 97,104,125.84 and 39,425,746.38
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Solution
The fourth proportional to 70,365,355.80, 97,104,125.84 and 39,425,746.38 is: 54,407,493.49
Step by Step Solution
- Step 1: Write the proportion equation
70,365,355.80 : 97,104,125.84 = 39,425,746.38 : x - Step 2: Convert to fraction form
70,365,355.80/97,104,125.84 = 39,425,746.38/x - Step 3: Cross multiply
70,365,355.80x = 97,104,125.84 × 39,425,746.38 - Step 4: Simplify right side
70,365,355.80x = 3,828,402,637,819,445 - Step 5: Solve for x
x = 3,828,402,637,819,445/70,365,355.80 - Step 6: Final answer
x = 54,407,493.49
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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.