Home / 139,521,951.90-209,282,927.85-109,255,686.30

Finding the Fourth Proportional to 139,521,951.90, 209,282,927.85 and 109,255,686.30

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Solution

The fourth proportional to 139,521,951.90, 209,282,927.85 and 109,255,686.30 is: 163,883,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,521,951.90 : 209,282,927.85 = 109,255,686.30 : x
  2. Step 2: Convert to fraction form
    139,521,951.90/209,282,927.85 = 109,255,686.30/x
  3. Step 3: Cross multiply
    139,521,951.90x = 209,282,927.85 × 109,255,686.30
  4. Step 4: Simplify right side
    139,521,951.90x = 22,865,349,913,125,132
  5. Step 5: Solve for x
    x = 22,865,349,913,125,132/139,521,951.90
  6. Step 6: Final answer
    x = 163,883,529.45

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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.