Home / 288,626,078.58-432,895,374-78,553,134.63

Finding the Fourth Proportional to 288,626,078.58, 432,895,374 and 78,553,134.63

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Solution

The fourth proportional to 288,626,078.58, 432,895,374 and 78,553,134.63 is: 117,817,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,626,078.58 : 432,895,374 = 78,553,134.63 : x
  2. Step 2: Convert to fraction form
    288,626,078.58/432,895,374 = 78,553,134.63/x
  3. Step 3: Cross multiply
    288,626,078.58x = 432,895,374 × 78,553,134.63
  4. Step 4: Simplify right side
    288,626,078.58x = 34,005,288,594,526,200
  5. Step 5: Solve for x
    x = 34,005,288,594,526,200/288,626,078.58
  6. Step 6: Final answer
    x = 117,817,796.51

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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.