Home / 66,426,007.20-99,639,010.80-30,524,215.20

Finding the Fourth Proportional to 66,426,007.20, 99,639,010.80 and 30,524,215.20

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Solution

The fourth proportional to 66,426,007.20, 99,639,010.80 and 30,524,215.20 is: 45,786,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,007.20 : 99,639,010.80 = 30,524,215.20 : x
  2. Step 2: Convert to fraction form
    66,426,007.20/99,639,010.80 = 30,524,215.20/x
  3. Step 3: Cross multiply
    66,426,007.20x = 99,639,010.80 × 30,524,215.20
  4. Step 4: Simplify right side
    66,426,007.20x = 3,041,402,607,974,324
  5. Step 5: Solve for x
    x = 3,041,402,607,974,324/66,426,007.20
  6. Step 6: Final answer
    x = 45,786,322.80

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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.