Home / 100,054,533.14-138,073,900.87-56,001,518.76

Finding the Fourth Proportional to 100,054,533.14, 138,073,900.87 and 56,001,518.76

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Solution

The fourth proportional to 100,054,533.14, 138,073,900.87 and 56,001,518.76 is: 77,281,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,054,533.14 : 138,073,900.87 = 56,001,518.76 : x
  2. Step 2: Convert to fraction form
    100,054,533.14/138,073,900.87 = 56,001,518.76/x
  3. Step 3: Cross multiply
    100,054,533.14x = 138,073,900.87 × 56,001,518.76
  4. Step 4: Simplify right side
    100,054,533.14x = 7,732,348,149,837,685
  5. Step 5: Solve for x
    x = 7,732,348,149,837,685/100,054,533.14
  6. Step 6: Final answer
    x = 77,281,337.56

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1.5x scale

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.