Home / 288,290,574.15-432,509,524.85-83,818,649.40

Finding the Fourth Proportional to 288,290,574.15, 432,509,524.85 and 83,818,649.40

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Solution

The fourth proportional to 288,290,574.15, 432,509,524.85 and 83,818,649.40 is: 125,749,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,290,574.15 : 432,509,524.85 = 83,818,649.40 : x
  2. Step 2: Convert to fraction form
    288,290,574.15/432,509,524.85 = 83,818,649.40/x
  3. Step 3: Cross multiply
    288,290,574.15x = 432,509,524.85 × 83,818,649.40
  4. Step 4: Simplify right side
    288,290,574.15x = 36,252,364,225,562,744
  5. Step 5: Solve for x
    x = 36,252,364,225,562,744/288,290,574.15
  6. Step 6: Final answer
    x = 125,749,391.33

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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.