Home / 165,435,415.60-248,153,123.40-155,231,748.40

Finding the Fourth Proportional to 165,435,415.60, 248,153,123.40 and 155,231,748.40

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Solution

The fourth proportional to 165,435,415.60, 248,153,123.40 and 155,231,748.40 is: 232,847,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,435,415.60 : 248,153,123.40 = 155,231,748.40 : x
  2. Step 2: Convert to fraction form
    165,435,415.60/248,153,123.40 = 155,231,748.40/x
  3. Step 3: Cross multiply
    165,435,415.60x = 248,153,123.40 × 155,231,748.40
  4. Step 4: Simplify right side
    165,435,415.60x = 38,521,243,216,302,952
  5. Step 5: Solve for x
    x = 38,521,243,216,302,952/165,435,415.60
  6. Step 6: Final answer
    x = 232,847,622.60

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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.