Home / 159,342,393.60-239,013,590.40-157,830,739.20

Finding the Fourth Proportional to 159,342,393.60, 239,013,590.40 and 157,830,739.20

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Solution

The fourth proportional to 159,342,393.60, 239,013,590.40 and 157,830,739.20 is: 236,746,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,342,393.60 : 239,013,590.40 = 157,830,739.20 : x
  2. Step 2: Convert to fraction form
    159,342,393.60/239,013,590.40 = 157,830,739.20/x
  3. Step 3: Cross multiply
    159,342,393.60x = 239,013,590.40 × 157,830,739.20
  4. Step 4: Simplify right side
    159,342,393.60x = 37,723,691,651,678,024
  5. Step 5: Solve for x
    x = 37,723,691,651,678,024/159,342,393.60
  6. Step 6: Final answer
    x = 236,746,108.80

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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.