Home / 164,645,931.38-227,211,710.09-90,307,097.01

Finding the Fourth Proportional to 164,645,931.38, 227,211,710.09 and 90,307,097.01

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Solution

The fourth proportional to 164,645,931.38, 227,211,710.09 and 90,307,097.01 is: 124,623,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,645,931.38 : 227,211,710.09 = 90,307,097.01 : x
  2. Step 2: Convert to fraction form
    164,645,931.38/227,211,710.09 = 90,307,097.01/x
  3. Step 3: Cross multiply
    164,645,931.38x = 227,211,710.09 × 90,307,097.01
  4. Step 4: Simplify right side
    164,645,931.38x = 20,518,829,944,454,092
  5. Step 5: Solve for x
    x = 20,518,829,944,454,092/164,645,931.38
  6. Step 6: Final answer
    x = 124,623,972.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.