Home / 140,346,780.50-210,443,111.81-43,275,538.91

Finding the Fourth Proportional to 140,346,780.50, 210,443,111.81 and 43,275,538.91

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Solution

The fourth proportional to 140,346,780.50, 210,443,111.81 and 43,275,538.91 is: 64,889,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,346,780.50 : 210,443,111.81 = 43,275,538.91 : x
  2. Step 2: Convert to fraction form
    140,346,780.50/210,443,111.81 = 43,275,538.91/x
  3. Step 3: Cross multiply
    140,346,780.50x = 210,443,111.81 × 43,275,538.91
  4. Step 4: Simplify right side
    140,346,780.50x = 9,107,039,073,947,150
  5. Step 5: Solve for x
    x = 9,107,039,073,947,150/140,346,780.50
  6. Step 6: Final answer
    x = 64,889,547.46

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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.