Home / 30,892,178.23-42,631,206.05-17,143,354.87

Finding the Fourth Proportional to 30,892,178.23, 42,631,206.05 and 17,143,354.87

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Solution

The fourth proportional to 30,892,178.23, 42,631,206.05 and 17,143,354.87 is: 23,657,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892,178.23 : 42,631,206.05 = 17,143,354.87 : x
  2. Step 2: Convert to fraction form
    30,892,178.23/42,631,206.05 = 17,143,354.87/x
  3. Step 3: Cross multiply
    30,892,178.23x = 42,631,206.05 × 17,143,354.87
  4. Step 4: Simplify right side
    30,892,178.23x = 730,841,893,552,368.12
  5. Step 5: Solve for x
    x = 730,841,893,552,368.12/30,892,178.23
  6. Step 6: Final answer
    x = 23,657,829.77

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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.