Home / 90,585,960.40-125,018,951.88-53,916,648.40

Finding the Fourth Proportional to 90,585,960.40, 125,018,951.88 and 53,916,648.40

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Solution

The fourth proportional to 90,585,960.40, 125,018,951.88 and 53,916,648.40 is: 74,411,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,585,960.40 : 125,018,951.88 = 53,916,648.40 : x
  2. Step 2: Convert to fraction form
    90,585,960.40/125,018,951.88 = 53,916,648.40/x
  3. Step 3: Cross multiply
    90,585,960.40x = 125,018,951.88 × 53,916,648.40
  4. Step 4: Simplify right side
    90,585,960.40x = 6,740,602,871,850,479
  5. Step 5: Solve for x
    x = 6,740,602,871,850,479/90,585,960.40
  6. Step 6: Final answer
    x = 74,411,121.13

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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.