Home / 145,849,904.70-218,637,999.45-55,034,519.10

Finding the Fourth Proportional to 145,849,904.70, 218,637,999.45 and 55,034,519.10

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Solution

The fourth proportional to 145,849,904.70, 218,637,999.45 and 55,034,519.10 is: 82,500,137.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,849,904.70 : 218,637,999.45 = 55,034,519.10 : x
  2. Step 2: Convert to fraction form
    145,849,904.70/218,637,999.45 = 55,034,519.10/x
  3. Step 3: Cross multiply
    145,849,904.70x = 218,637,999.45 × 55,034,519.10
  4. Step 4: Simplify right side
    145,849,904.70x = 12,032,637,156,716,814
  5. Step 5: Solve for x
    x = 12,032,637,156,716,814/145,849,904.70
  6. Step 6: Final answer
    x = 82,500,137.26

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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.