Home / 66,505,207.40-99,757,811.10-64,514,551.40

Finding the Fourth Proportional to 66,505,207.40, 99,757,811.10 and 64,514,551.40

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Solution

The fourth proportional to 66,505,207.40, 99,757,811.10 and 64,514,551.40 is: 96,771,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,505,207.40 : 99,757,811.10 = 64,514,551.40 : x
  2. Step 2: Convert to fraction form
    66,505,207.40/99,757,811.10 = 64,514,551.40/x
  3. Step 3: Cross multiply
    66,505,207.40x = 99,757,811.10 × 64,514,551.40
  4. Step 4: Simplify right side
    66,505,207.40x = 6,435,830,431,762,440
  5. Step 5: Solve for x
    x = 6,435,830,431,762,440/66,505,207.40
  6. Step 6: Final answer
    x = 96,771,827.10

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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.