Home / 98,340,545.72-135,706,395.66-54,286,598.36

Finding the Fourth Proportional to 98,340,545.72, 135,706,395.66 and 54,286,598.36

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Solution

The fourth proportional to 98,340,545.72, 135,706,395.66 and 54,286,598.36 is: 74,913,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340,545.72 : 135,706,395.66 = 54,286,598.36 : x
  2. Step 2: Convert to fraction form
    98,340,545.72/135,706,395.66 = 54,286,598.36/x
  3. Step 3: Cross multiply
    98,340,545.72x = 135,706,395.66 × 54,286,598.36
  4. Step 4: Simplify right side
    98,340,545.72x = 7,367,038,596,077,667
  5. Step 5: Solve for x
    x = 7,367,038,596,077,667/98,340,545.72
  6. Step 6: Final answer
    x = 74,913,541.94

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1.5x scale

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.