Home / 99,013,510.51-148,520,061.64-55,863,125.71

Finding the Fourth Proportional to 99,013,510.51, 148,520,061.64 and 55,863,125.71

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Solution

The fourth proportional to 99,013,510.51, 148,520,061.64 and 55,863,125.71 is: 83,794,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,013,510.51 : 148,520,061.64 = 55,863,125.71 : x
  2. Step 2: Convert to fraction form
    99,013,510.51/148,520,061.64 = 55,863,125.71/x
  3. Step 3: Cross multiply
    99,013,510.51x = 148,520,061.64 × 55,863,125.71
  4. Step 4: Simplify right side
    99,013,510.51x = 8,296,794,873,852,268
  5. Step 5: Solve for x
    x = 8,296,794,873,852,268/99,013,510.51
  6. Step 6: Final answer
    x = 83,794,573.40

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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.