Home / 288,742,904.70-433,177,342.65-84,254,322.30

Finding the Fourth Proportional to 288,742,904.70, 433,177,342.65 and 84,254,322.30

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Solution

The fourth proportional to 288,742,904.70, 433,177,342.65 and 84,254,322.30 is: 126,399,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,742,904.70 : 433,177,342.65 = 84,254,322.30 : x
  2. Step 2: Convert to fraction form
    288,742,904.70/433,177,342.65 = 84,254,322.30/x
  3. Step 3: Cross multiply
    288,742,904.70x = 433,177,342.65 × 84,254,322.30
  4. Step 4: Simplify right side
    288,742,904.70x = 36,497,063,440,690,632
  5. Step 5: Solve for x
    x = 36,497,063,440,690,632/288,742,904.70
  6. Step 6: Final answer
    x = 126,399,862.46

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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.