Home / 145,698,720.40-201,075,695.76-82,977,470.56

Finding the Fourth Proportional to 145,698,720.40, 201,075,695.76 and 82,977,470.56

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Solution

The fourth proportional to 145,698,720.40, 201,075,695.76 and 82,977,470.56 is: 114,515,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,698,720.40 : 201,075,695.76 = 82,977,470.56 : x
  2. Step 2: Convert to fraction form
    145,698,720.40/201,075,695.76 = 82,977,470.56/x
  3. Step 3: Cross multiply
    145,698,720.40x = 201,075,695.76 × 82,977,470.56
  4. Step 4: Simplify right side
    145,698,720.40x = 16,684,752,625,256,916
  5. Step 5: Solve for x
    x = 16,684,752,625,256,916/145,698,720.40
  6. Step 6: Final answer
    x = 114,515,436.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.