Home / 286,849,962-430,276,517.64-71,439,210

Finding the Fourth Proportional to 286,849,962, 430,276,517.64 and 71,439,210

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Solution

The fourth proportional to 286,849,962, 430,276,517.64 and 71,439,210 is: 107,159,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,849,962 : 430,276,517.64 = 71,439,210 : x
  2. Step 2: Convert to fraction form
    286,849,962/430,276,517.64 = 71,439,210/x
  3. Step 3: Cross multiply
    286,849,962x = 430,276,517.64 × 71,439,210
  4. Step 4: Simplify right side
    286,849,962x = 30,738,614,501,752,664
  5. Step 5: Solve for x
    x = 30,738,614,501,752,664/286,849,962
  6. Step 6: Final answer
    x = 107,159,207.16

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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.