Home / 159,433,421.80-239,150,132.70-145,828,532.20

Finding the Fourth Proportional to 159,433,421.80, 239,150,132.70 and 145,828,532.20

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Solution

The fourth proportional to 159,433,421.80, 239,150,132.70 and 145,828,532.20 is: 218,742,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,433,421.80 : 239,150,132.70 = 145,828,532.20 : x
  2. Step 2: Convert to fraction form
    159,433,421.80/239,150,132.70 = 145,828,532.20/x
  3. Step 3: Cross multiply
    159,433,421.80x = 239,150,132.70 × 145,828,532.20
  4. Step 4: Simplify right side
    159,433,421.80x = 34,874,912,827,076,220
  5. Step 5: Solve for x
    x = 34,874,912,827,076,220/159,433,421.80
  6. Step 6: Final answer
    x = 218,742,798.30

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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.