Finding the Fourth Proportional to 69,613,703.62, 103,909,564.70 and 64,483,526.50
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Solution
The fourth proportional to 69,613,703.62, 103,909,564.70 and 64,483,526.50 is: 96,251,956.45
Step by Step Solution
- Step 1: Write the proportion equation
69,613,703.62 : 103,909,564.70 = 64,483,526.50 : x - Step 2: Convert to fraction form
69,613,703.62/103,909,564.70 = 64,483,526.50/x - Step 3: Cross multiply
69,613,703.62x = 103,909,564.70 × 64,483,526.50 - Step 4: Simplify right side
69,613,703.62x = 6,700,455,168,935,915 - Step 5: Solve for x
x = 6,700,455,168,935,915/69,613,703.62 - Step 6: Final answer
x = 96,251,956.45
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.