Home / 84,757,037.56-127,070,890.58-38,666,673.66

Finding the Fourth Proportional to 84,757,037.56, 127,070,890.58 and 38,666,673.66

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Solution

The fourth proportional to 84,757,037.56, 127,070,890.58 and 38,666,673.66 is: 57,970,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,757,037.56 : 127,070,890.58 = 38,666,673.66 : x
  2. Step 2: Convert to fraction form
    84,757,037.56/127,070,890.58 = 38,666,673.66/x
  3. Step 3: Cross multiply
    84,757,037.56x = 127,070,890.58 × 38,666,673.66
  4. Step 4: Simplify right side
    84,757,037.56x = 4,913,408,657,742,428
  5. Step 5: Solve for x
    x = 4,913,408,657,742,428/84,757,037.56
  6. Step 6: Final answer
    x = 57,970,509.58

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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.