Home / 42,774,009.40-64,161,014.10-19,744,899.40

Finding the Fourth Proportional to 42,774,009.40, 64,161,014.10 and 19,744,899.40

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Solution

The fourth proportional to 42,774,009.40, 64,161,014.10 and 19,744,899.40 is: 29,617,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774,009.40 : 64,161,014.10 = 19,744,899.40 : x
  2. Step 2: Convert to fraction form
    42,774,009.40/64,161,014.10 = 19,744,899.40/x
  3. Step 3: Cross multiply
    42,774,009.40x = 64,161,014.10 × 19,744,899.40
  4. Step 4: Simplify right side
    42,774,009.40x = 1,266,852,768,806,481.50
  5. Step 5: Solve for x
    x = 1,266,852,768,806,481.50/42,774,009.40
  6. Step 6: Final answer
    x = 29,617,349.10

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Similar ratio
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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.