Home / 288,937,979.60-433,548,687.02-135,596,503.76

Finding the Fourth Proportional to 288,937,979.60, 433,548,687.02 and 135,596,503.76

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Solution

The fourth proportional to 288,937,979.60, 433,548,687.02 and 135,596,503.76 is: 203,461,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,937,979.60 : 433,548,687.02 = 135,596,503.76 : x
  2. Step 2: Convert to fraction form
    288,937,979.60/433,548,687.02 = 135,596,503.76/x
  3. Step 3: Cross multiply
    288,937,979.60x = 433,548,687.02 × 135,596,503.76
  4. Step 4: Simplify right side
    288,937,979.60x = 58,787,686,169,650,488
  5. Step 5: Solve for x
    x = 58,787,686,169,650,488/288,937,979.60
  6. Step 6: Final answer
    x = 203,461,262.69

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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.