Home / 145,523,139.80-218,315,036.10-48,508,986.20

Finding the Fourth Proportional to 145,523,139.80, 218,315,036.10 and 48,508,986.20

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Solution

The fourth proportional to 145,523,139.80, 218,315,036.10 and 48,508,986.20 is: 72,773,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,523,139.80 : 218,315,036.10 = 48,508,986.20 : x
  2. Step 2: Convert to fraction form
    145,523,139.80/218,315,036.10 = 48,508,986.20/x
  3. Step 3: Cross multiply
    145,523,139.80x = 218,315,036.10 × 48,508,986.20
  4. Step 4: Simplify right side
    145,523,139.80x = 10,590,241,073,427,402
  5. Step 5: Solve for x
    x = 10,590,241,073,427,402/145,523,139.80
  6. Step 6: Final answer
    x = 72,773,588.37

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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.