Home / 153,108,003.80-229,662,005.70-139,715,690.60

Finding the Fourth Proportional to 153,108,003.80, 229,662,005.70 and 139,715,690.60

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Solution

The fourth proportional to 153,108,003.80, 229,662,005.70 and 139,715,690.60 is: 209,573,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,108,003.80 : 229,662,005.70 = 139,715,690.60 : x
  2. Step 2: Convert to fraction form
    153,108,003.80/229,662,005.70 = 139,715,690.60/x
  3. Step 3: Cross multiply
    153,108,003.80x = 229,662,005.70 × 139,715,690.60
  4. Step 4: Simplify right side
    153,108,003.80x = 32,087,385,730,956,632
  5. Step 5: Solve for x
    x = 32,087,385,730,956,632/153,108,003.80
  6. Step 6: Final answer
    x = 209,573,535.90

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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.