Home / 42,879,758.40-64,319,637.60-32,676,091.20

Finding the Fourth Proportional to 42,879,758.40, 64,319,637.60 and 32,676,091.20

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Solution

The fourth proportional to 42,879,758.40, 64,319,637.60 and 32,676,091.20 is: 49,014,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,879,758.40 : 64,319,637.60 = 32,676,091.20 : x
  2. Step 2: Convert to fraction form
    42,879,758.40/64,319,637.60 = 32,676,091.20/x
  3. Step 3: Cross multiply
    42,879,758.40x = 64,319,637.60 × 32,676,091.20
  4. Step 4: Simplify right side
    42,879,758.40x = 2,101,714,344,168,549
  5. Step 5: Solve for x
    x = 2,101,714,344,168,549/42,879,758.40
  6. Step 6: Final answer
    x = 49,014,136.80

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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.