Home / 82,720,018.80-124,136,015.40-37,258,412.40

Finding the Fourth Proportional to 82,720,018.80, 124,136,015.40 and 37,258,412.40

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Solution

The fourth proportional to 82,720,018.80, 124,136,015.40 and 37,258,412.40 is: 55,912,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,720,018.80 : 124,136,015.40 = 37,258,412.40 : x
  2. Step 2: Convert to fraction form
    82,720,018.80/124,136,015.40 = 37,258,412.40/x
  3. Step 3: Cross multiply
    82,720,018.80x = 124,136,015.40 × 37,258,412.40
  4. Step 4: Simplify right side
    82,720,018.80x = 4,625,110,855,465,951
  5. Step 5: Solve for x
    x = 4,625,110,855,465,951/82,720,018.80
  6. Step 6: Final answer
    x = 55,912,836.13

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1.5x scale

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.