Home / 157,451,920.80-236,161,934.91-42,448,088.40

Finding the Fourth Proportional to 157,451,920.80, 236,161,934.91 and 42,448,088.40

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Solution

The fourth proportional to 157,451,920.80, 236,161,934.91 and 42,448,088.40 is: 63,667,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,451,920.80 : 236,161,934.91 = 42,448,088.40 : x
  2. Step 2: Convert to fraction form
    157,451,920.80/236,161,934.91 = 42,448,088.40/x
  3. Step 3: Cross multiply
    157,451,920.80x = 236,161,934.91 × 42,448,088.40
  4. Step 4: Simplify right side
    157,451,920.80x = 10,024,622,689,774,726
  5. Step 5: Solve for x
    x = 10,024,622,689,774,726/157,451,920.80
  6. Step 6: Final answer
    x = 63,667,833.58

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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.