Home / 102,830,301.45-141,905,800.60-58,778,246.16

Finding the Fourth Proportional to 102,830,301.45, 141,905,800.60 and 58,778,246.16

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Solution

The fourth proportional to 102,830,301.45, 141,905,800.60 and 58,778,246.16 is: 81,113,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,830,301.45 : 141,905,800.60 = 58,778,246.16 : x
  2. Step 2: Convert to fraction form
    102,830,301.45/141,905,800.60 = 58,778,246.16/x
  3. Step 3: Cross multiply
    102,830,301.45x = 141,905,800.60 × 58,778,246.16
  4. Step 4: Simplify right side
    102,830,301.45x = 8,340,974,079,051,729
  5. Step 5: Solve for x
    x = 8,340,974,079,051,729/102,830,301.45
  6. Step 6: Final answer
    x = 81,113,970.90

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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.