Home / 72,184,001.40-108,276,002.10-43,486,187.40

Finding the Fourth Proportional to 72,184,001.40, 108,276,002.10 and 43,486,187.40

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Solution

The fourth proportional to 72,184,001.40, 108,276,002.10 and 43,486,187.40 is: 65,229,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184,001.40 : 108,276,002.10 = 43,486,187.40 : x
  2. Step 2: Convert to fraction form
    72,184,001.40/108,276,002.10 = 43,486,187.40/x
  3. Step 3: Cross multiply
    72,184,001.40x = 108,276,002.10 × 43,486,187.40
  4. Step 4: Simplify right side
    72,184,001.40x = 4,708,510,518,243,393
  5. Step 5: Solve for x
    x = 4,708,510,518,243,393/72,184,001.40
  6. Step 6: Final answer
    x = 65,229,281.10

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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.