Home / 140,645,931.48-210,976,868.76-43,615,433.70

Finding the Fourth Proportional to 140,645,931.48, 210,976,868.76 and 43,615,433.70

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Solution

The fourth proportional to 140,645,931.48, 210,976,868.76 and 43,615,433.70 is: 65,425,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,645,931.48 : 210,976,868.76 = 43,615,433.70 : x
  2. Step 2: Convert to fraction form
    140,645,931.48/210,976,868.76 = 43,615,433.70/x
  3. Step 3: Cross multiply
    140,645,931.48x = 210,976,868.76 × 43,615,433.70
  4. Step 4: Simplify right side
    140,645,931.48x = 9,201,847,631,635,382
  5. Step 5: Solve for x
    x = 9,201,847,631,635,382/140,645,931.48
  6. Step 6: Final answer
    x = 65,425,622.59

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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.