Home / 119,163,695.38-178,742,238.89-31,725,962.53

Finding the Fourth Proportional to 119,163,695.38, 178,742,238.89 and 31,725,962.53

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Solution

The fourth proportional to 119,163,695.38, 178,742,238.89 and 31,725,962.53 is: 47,588,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,163,695.38 : 178,742,238.89 = 31,725,962.53 : x
  2. Step 2: Convert to fraction form
    119,163,695.38/178,742,238.89 = 31,725,962.53/x
  3. Step 3: Cross multiply
    119,163,695.38x = 178,742,238.89 × 31,725,962.53
  4. Step 4: Simplify right side
    119,163,695.38x = 5,670,769,572,946,963
  5. Step 5: Solve for x
    x = 5,670,769,572,946,963/119,163,695.38
  6. Step 6: Final answer
    x = 47,588,064.09

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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.