Home / 103,536,795.60-142,883,769.06-57,130,038.72

Finding the Fourth Proportional to 103,536,795.60, 142,883,769.06 and 57,130,038.72

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Solution

The fourth proportional to 103,536,795.60, 142,883,769.06 and 57,130,038.72 is: 78,841,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,536,795.60 : 142,883,769.06 = 57,130,038.72 : x
  2. Step 2: Convert to fraction form
    103,536,795.60/142,883,769.06 = 57,130,038.72/x
  3. Step 3: Cross multiply
    103,536,795.60x = 142,883,769.06 × 57,130,038.72
  4. Step 4: Simplify right side
    103,536,795.60x = 8,162,955,258,857,338
  5. Step 5: Solve for x
    x = 8,162,955,258,857,338/103,536,795.60
  6. Step 6: Final answer
    x = 78,841,103.90

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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.