Home / 153,246,733.64-211,600,989.60-123,382,516.94

Finding the Fourth Proportional to 153,246,733.64, 211,600,989.60 and 123,382,516.94

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Solution

The fourth proportional to 153,246,733.64, 211,600,989.60 and 123,382,516.94 is: 170,364,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,246,733.64 : 211,600,989.60 = 123,382,516.94 : x
  2. Step 2: Convert to fraction form
    153,246,733.64/211,600,989.60 = 123,382,516.94/x
  3. Step 3: Cross multiply
    153,246,733.64x = 211,600,989.60 × 123,382,516.94
  4. Step 4: Simplify right side
    153,246,733.64x = 26,107,862,683,225,852
  5. Step 5: Solve for x
    x = 26,107,862,683,225,852/153,246,733.64
  6. Step 6: Final answer
    x = 170,364,888.46

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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.