Home / 208,653,835.60-313,016,828.64-70,480,448.92

Finding the Fourth Proportional to 208,653,835.60, 313,016,828.64 and 70,480,448.92

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Solution

The fourth proportional to 208,653,835.60, 313,016,828.64 and 70,480,448.92 is: 105,732,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,653,835.60 : 313,016,828.64 = 70,480,448.92 : x
  2. Step 2: Convert to fraction form
    208,653,835.60/313,016,828.64 = 70,480,448.92/x
  3. Step 3: Cross multiply
    208,653,835.60x = 313,016,828.64 × 70,480,448.92
  4. Step 4: Simplify right side
    208,653,835.60x = 22,061,566,602,061,912
  5. Step 5: Solve for x
    x = 22,061,566,602,061,912/208,653,835.60
  6. Step 6: Final answer
    x = 105,732,859.11

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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.