Home / 153,155,727.84-211,355,561.52-83,542,625.76

Finding the Fourth Proportional to 153,155,727.84, 211,355,561.52 and 83,542,625.76

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Solution

The fourth proportional to 153,155,727.84, 211,355,561.52 and 83,542,625.76 is: 115,289,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,155,727.84 : 211,355,561.52 = 83,542,625.76 : x
  2. Step 2: Convert to fraction form
    153,155,727.84/211,355,561.52 = 83,542,625.76/x
  3. Step 3: Cross multiply
    153,155,727.84x = 211,355,561.52 × 83,542,625.76
  4. Step 4: Simplify right side
    153,155,727.84x = 17,657,198,578,360,018
  5. Step 5: Solve for x
    x = 17,657,198,578,360,018/153,155,727.84
  6. Step 6: Final answer
    x = 115,289,181.98

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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.