Home / 125,552,139.40-188,448,477.90-65,011,313.80

Finding the Fourth Proportional to 125,552,139.40, 188,448,477.90 and 65,011,313.80

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Solution

The fourth proportional to 125,552,139.40, 188,448,477.90 and 65,011,313.80 is: 97,579,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,552,139.40 : 188,448,477.90 = 65,011,313.80 : x
  2. Step 2: Convert to fraction form
    125,552,139.40/188,448,477.90 = 65,011,313.80/x
  3. Step 3: Cross multiply
    125,552,139.40x = 188,448,477.90 × 65,011,313.80
  4. Step 4: Simplify right side
    125,552,139.40x = 12,251,283,131,889,264
  5. Step 5: Solve for x
    x = 12,251,283,131,889,264/125,552,139.40
  6. Step 6: Final answer
    x = 97,579,246.28

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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.