Home / 77,478,933.24-106,925,763.56-42,671,614.86

Finding the Fourth Proportional to 77,478,933.24, 106,925,763.56 and 42,671,614.86

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Solution

The fourth proportional to 77,478,933.24, 106,925,763.56 and 42,671,614.86 is: 58,889,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,478,933.24 : 106,925,763.56 = 42,671,614.86 : x
  2. Step 2: Convert to fraction form
    77,478,933.24/106,925,763.56 = 42,671,614.86/x
  3. Step 3: Cross multiply
    77,478,933.24x = 106,925,763.56 × 42,671,614.86
  4. Step 4: Simplify right side
    77,478,933.24x = 4,562,695,001,030,385
  5. Step 5: Solve for x
    x = 4,562,695,001,030,385/77,478,933.24
  6. Step 6: Final answer
    x = 58,889,491.77

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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.