Home / 145,011,213.24-200,092,059.18-83,120,163

Finding the Fourth Proportional to 145,011,213.24, 200,092,059.18 and 83,120,163

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Solution

The fourth proportional to 145,011,213.24, 200,092,059.18 and 83,120,163 is: 114,692,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,011,213.24 : 200,092,059.18 = 83,120,163 : x
  2. Step 2: Convert to fraction form
    145,011,213.24/200,092,059.18 = 83,120,163/x
  3. Step 3: Cross multiply
    145,011,213.24x = 200,092,059.18 × 83,120,163
  4. Step 4: Simplify right side
    145,011,213.24x = 16,631,684,574,047,246
  5. Step 5: Solve for x
    x = 16,631,684,574,047,246/145,011,213.24
  6. Step 6: Final answer
    x = 114,692,403.45

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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.