Home / 288,012,164.10-432,018,246.15-72,601,412.10

Finding the Fourth Proportional to 288,012,164.10, 432,018,246.15 and 72,601,412.10

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Solution

The fourth proportional to 288,012,164.10, 432,018,246.15 and 72,601,412.10 is: 108,902,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,012,164.10 : 432,018,246.15 = 72,601,412.10 : x
  2. Step 2: Convert to fraction form
    288,012,164.10/432,018,246.15 = 72,601,412.10/x
  3. Step 3: Cross multiply
    288,012,164.10x = 432,018,246.15 × 72,601,412.10
  4. Step 4: Simplify right side
    288,012,164.10x = 31,365,134,723,455,384
  5. Step 5: Solve for x
    x = 31,365,134,723,455,384/288,012,164.10
  6. Step 6: Final answer
    x = 108,902,118.15

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1.5x scale

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.