Home / 293,796,878.40-440,191,432.80-140,112,014.40

Finding the Fourth Proportional to 293,796,878.40, 440,191,432.80 and 140,112,014.40

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Solution

The fourth proportional to 293,796,878.40, 440,191,432.80 and 140,112,014.40 is: 209,927,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,796,878.40 : 440,191,432.80 = 140,112,014.40 : x
  2. Step 2: Convert to fraction form
    293,796,878.40/440,191,432.80 = 140,112,014.40/x
  3. Step 3: Cross multiply
    293,796,878.40x = 440,191,432.80 × 140,112,014.40
  4. Step 4: Simplify right side
    293,796,878.40x = 61,676,108,371,230,240
  5. Step 5: Solve for x
    x = 61,676,108,371,230,240/293,796,878.40
  6. Step 6: Final answer
    x = 209,927,718.45

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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.