Home / 288,632,645.18-432,902,880.93-84,112,881.02

Finding the Fourth Proportional to 288,632,645.18, 432,902,880.93 and 84,112,881.02

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Solution

The fourth proportional to 288,632,645.18, 432,902,880.93 and 84,112,881.02 is: 126,155,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,632,645.18 : 432,902,880.93 = 84,112,881.02 : x
  2. Step 2: Convert to fraction form
    288,632,645.18/432,902,880.93 = 84,112,881.02/x
  3. Step 3: Cross multiply
    288,632,645.18x = 432,902,880.93 × 84,112,881.02
  4. Step 4: Simplify right side
    288,632,645.18x = 36,412,708,516,880,312
  5. Step 5: Solve for x
    x = 36,412,708,516,880,312/288,632,645.18
  6. Step 6: Final answer
    x = 126,155,890.97

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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.