Home / 288,606,614.70-432,867,931.65-84,113,366.70

Finding the Fourth Proportional to 288,606,614.70, 432,867,931.65 and 84,113,366.70

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Solution

The fourth proportional to 288,606,614.70, 432,867,931.65 and 84,113,366.70 is: 126,157,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,606,614.70 : 432,867,931.65 = 84,113,366.70 : x
  2. Step 2: Convert to fraction form
    288,606,614.70/432,867,931.65 = 84,113,366.70/x
  3. Step 3: Cross multiply
    288,606,614.70x = 432,867,931.65 × 84,113,366.70
  4. Step 4: Simplify right side
    288,606,614.70x = 36,409,979,067,546,984
  5. Step 5: Solve for x
    x = 36,409,979,067,546,984/288,606,614.70
  6. Step 6: Final answer
    x = 126,157,812.10

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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.