Home / 42,349,208.34-58,408,960.08-30,632,428.95

Finding the Fourth Proportional to 42,349,208.34, 58,408,960.08 and 30,632,428.95

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Solution

The fourth proportional to 42,349,208.34, 58,408,960.08 and 30,632,428.95 is: 42,248,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,349,208.34 : 58,408,960.08 = 30,632,428.95 : x
  2. Step 2: Convert to fraction form
    42,349,208.34/58,408,960.08 = 30,632,428.95/x
  3. Step 3: Cross multiply
    42,349,208.34x = 58,408,960.08 × 30,632,428.95
  4. Step 4: Simplify right side
    42,349,208.34x = 1,789,208,319,693,986.25
  5. Step 5: Solve for x
    x = 1,789,208,319,693,986.25/42,349,208.34
  6. Step 6: Final answer
    x = 42,248,920.11

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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.