Home / 145,740,665.80-218,583,005.10-43,508,038.60

Finding the Fourth Proportional to 145,740,665.80, 218,583,005.10 and 43,508,038.60

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Solution

The fourth proportional to 145,740,665.80, 218,583,005.10 and 43,508,038.60 is: 65,253,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,740,665.80 : 218,583,005.10 = 43,508,038.60 : x
  2. Step 2: Convert to fraction form
    145,740,665.80/218,583,005.10 = 43,508,038.60/x
  3. Step 3: Cross multiply
    145,740,665.80x = 218,583,005.10 × 43,508,038.60
  4. Step 4: Simplify right side
    145,740,665.80x = 9,510,117,823,194,796
  5. Step 5: Solve for x
    x = 9,510,117,823,194,796/145,740,665.80
  6. Step 6: Final answer
    x = 65,253,700.96

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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.