Home / 145,329,709.02-200,559,841.50-79,253,823.48

Finding the Fourth Proportional to 145,329,709.02, 200,559,841.50 and 79,253,823.48

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Solution

The fourth proportional to 145,329,709.02, 200,559,841.50 and 79,253,823.48 is: 109,372,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,329,709.02 : 200,559,841.50 = 79,253,823.48 : x
  2. Step 2: Convert to fraction form
    145,329,709.02/200,559,841.50 = 79,253,823.48/x
  3. Step 3: Cross multiply
    145,329,709.02x = 200,559,841.50 × 79,253,823.48
  4. Step 4: Simplify right side
    145,329,709.02x = 15,895,134,275,417,780
  5. Step 5: Solve for x
    x = 15,895,134,275,417,780/145,329,709.02
  6. Step 6: Final answer
    x = 109,372,917.50

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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.