Home / 152,995,018.26-211,133,840.18-86,919,142.28

Finding the Fourth Proportional to 152,995,018.26, 211,133,840.18 and 86,919,142.28

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Solution

The fourth proportional to 152,995,018.26, 211,133,840.18 and 86,919,142.28 is: 119,948,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,995,018.26 : 211,133,840.18 = 86,919,142.28 : x
  2. Step 2: Convert to fraction form
    152,995,018.26/211,133,840.18 = 86,919,142.28/x
  3. Step 3: Cross multiply
    152,995,018.26x = 211,133,840.18 × 86,919,142.28
  4. Step 4: Simplify right side
    152,995,018.26x = 18,351,572,294,564,372
  5. Step 5: Solve for x
    x = 18,351,572,294,564,372/152,995,018.26
  6. Step 6: Final answer
    x = 119,948,822.54

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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.