Home / 102,830,301.71-141,905,800.94-58,778,246.40

Finding the Fourth Proportional to 102,830,301.71, 141,905,800.94 and 58,778,246.40

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Solution

The fourth proportional to 102,830,301.71, 141,905,800.94 and 58,778,246.40 is: 81,113,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,830,301.71 : 141,905,800.94 = 58,778,246.40 : x
  2. Step 2: Convert to fraction form
    102,830,301.71/141,905,800.94 = 58,778,246.40/x
  3. Step 3: Cross multiply
    102,830,301.71x = 141,905,800.94 × 58,778,246.40
  4. Step 4: Simplify right side
    102,830,301.71x = 8,340,974,133,240,671
  5. Step 5: Solve for x
    x = 8,340,974,133,240,671/102,830,301.71
  6. Step 6: Final answer
    x = 81,113,971.22

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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.