Home / 64,087,977.40-96,131,966.10-42,551,567.80

Finding the Fourth Proportional to 64,087,977.40, 96,131,966.10 and 42,551,567.80

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Solution

The fourth proportional to 64,087,977.40, 96,131,966.10 and 42,551,567.80 is: 63,827,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,087,977.40 : 96,131,966.10 = 42,551,567.80 : x
  2. Step 2: Convert to fraction form
    64,087,977.40/96,131,966.10 = 42,551,567.80/x
  3. Step 3: Cross multiply
    64,087,977.40x = 96,131,966.10 × 42,551,567.80
  4. Step 4: Simplify right side
    64,087,977.40x = 4,090,565,873,251,451
  5. Step 5: Solve for x
    x = 4,090,565,873,251,451/64,087,977.40
  6. Step 6: Final answer
    x = 63,827,351.70

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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.