Home / 45,781,386.20-68,672,079.30-42,273,875.60

Finding the Fourth Proportional to 45,781,386.20, 68,672,079.30 and 42,273,875.60

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Solution

The fourth proportional to 45,781,386.20, 68,672,079.30 and 42,273,875.60 is: 63,410,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781,386.20 : 68,672,079.30 = 42,273,875.60 : x
  2. Step 2: Convert to fraction form
    45,781,386.20/68,672,079.30 = 42,273,875.60/x
  3. Step 3: Cross multiply
    45,781,386.20x = 68,672,079.30 × 42,273,875.60
  4. Step 4: Simplify right side
    45,781,386.20x = 2,903,034,937,521,535
  5. Step 5: Solve for x
    x = 2,903,034,937,521,535/45,781,386.20
  6. Step 6: Final answer
    x = 63,410,813.40

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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.