Home / 115,877,345.60-173,816,018.40-58,347,387.20

Finding the Fourth Proportional to 115,877,345.60, 173,816,018.40 and 58,347,387.20

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Solution

The fourth proportional to 115,877,345.60, 173,816,018.40 and 58,347,387.20 is: 87,521,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,877,345.60 : 173,816,018.40 = 58,347,387.20 : x
  2. Step 2: Convert to fraction form
    115,877,345.60/173,816,018.40 = 58,347,387.20/x
  3. Step 3: Cross multiply
    115,877,345.60x = 173,816,018.40 × 58,347,387.20
  4. Step 4: Simplify right side
    115,877,345.60x = 10,141,710,527,147,126
  5. Step 5: Solve for x
    x = 10,141,710,527,147,126/115,877,345.60
  6. Step 6: Final answer
    x = 87,521,080.80

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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.