Home / 200,423,205.71-300,561,068.39-69,232,094.76

Finding the Fourth Proportional to 200,423,205.71, 300,561,068.39 and 69,232,094.76

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Solution

The fourth proportional to 200,423,205.71, 300,561,068.39 and 69,232,094.76 is: 103,822,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,423,205.71 : 300,561,068.39 = 69,232,094.76 : x
  2. Step 2: Convert to fraction form
    200,423,205.71/300,561,068.39 = 69,232,094.76/x
  3. Step 3: Cross multiply
    200,423,205.71x = 300,561,068.39 × 69,232,094.76
  4. Step 4: Simplify right side
    200,423,205.71x = 20,808,472,368,724,264
  5. Step 5: Solve for x
    x = 20,808,472,368,724,264/200,423,205.71
  6. Step 6: Final answer
    x = 103,822,670.11

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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.