Home / 107,553,848.40-161,330,772.60-39,403,429.20

Finding the Fourth Proportional to 107,553,848.40, 161,330,772.60 and 39,403,429.20

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Solution

The fourth proportional to 107,553,848.40, 161,330,772.60 and 39,403,429.20 is: 59,105,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,553,848.40 : 161,330,772.60 = 39,403,429.20 : x
  2. Step 2: Convert to fraction form
    107,553,848.40/161,330,772.60 = 39,403,429.20/x
  3. Step 3: Cross multiply
    107,553,848.40x = 161,330,772.60 × 39,403,429.20
  4. Step 4: Simplify right side
    107,553,848.40x = 6,356,985,675,925,400
  5. Step 5: Solve for x
    x = 6,356,985,675,925,400/107,553,848.40
  6. Step 6: Final answer
    x = 59,105,143.80

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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.