Home / 119,781,490.16-179,672,252.52-28,905,079.52

Finding the Fourth Proportional to 119,781,490.16, 179,672,252.52 and 28,905,079.52

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Solution

The fourth proportional to 119,781,490.16, 179,672,252.52 and 28,905,079.52 is: 43,357,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,781,490.16 : 179,672,252.52 = 28,905,079.52 : x
  2. Step 2: Convert to fraction form
    119,781,490.16/179,672,252.52 = 28,905,079.52/x
  3. Step 3: Cross multiply
    119,781,490.16x = 179,672,252.52 × 28,905,079.52
  4. Step 4: Simplify right side
    119,781,490.16x = 5,193,440,746,628,121
  5. Step 5: Solve for x
    x = 5,193,440,746,628,121/119,781,490.16
  6. Step 6: Final answer
    x = 43,357,623.45

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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.