Home / 98,340,549.72-135,706,401.16-54,286,602.36

Finding the Fourth Proportional to 98,340,549.72, 135,706,401.16 and 54,286,602.36

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Solution

The fourth proportional to 98,340,549.72, 135,706,401.16 and 54,286,602.36 is: 74,913,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340,549.72 : 135,706,401.16 = 54,286,602.36 : x
  2. Step 2: Convert to fraction form
    98,340,549.72/135,706,401.16 = 54,286,602.36/x
  3. Step 3: Cross multiply
    98,340,549.72x = 135,706,401.16 × 54,286,602.36
  4. Step 4: Simplify right side
    98,340,549.72x = 7,367,039,437,479,562
  5. Step 5: Solve for x
    x = 7,367,039,437,479,562/98,340,549.72
  6. Step 6: Final answer
    x = 74,913,547.45

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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.