Home / 153,311,252.74-211,561,526.16-83,683,181.52

Finding the Fourth Proportional to 153,311,252.74, 211,561,526.16 and 83,683,181.52

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Solution

The fourth proportional to 153,311,252.74, 211,561,526.16 and 83,683,181.52 is: 115,478,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,311,252.74 : 211,561,526.16 = 83,683,181.52 : x
  2. Step 2: Convert to fraction form
    153,311,252.74/211,561,526.16 = 83,683,181.52/x
  3. Step 3: Cross multiply
    153,311,252.74x = 211,561,526.16 × 83,683,181.52
  4. Step 4: Simplify right side
    153,311,252.74x = 17,704,141,596,295,508
  5. Step 5: Solve for x
    x = 17,704,141,596,295,508/153,311,252.74
  6. Step 6: Final answer
    x = 115,478,422.36

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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.