Home / 155,826,346.76-215,109,236.02-93,124,570.12

Finding the Fourth Proportional to 155,826,346.76, 215,109,236.02 and 93,124,570.12

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Solution

The fourth proportional to 155,826,346.76, 215,109,236.02 and 93,124,570.12 is: 128,553,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,826,346.76 : 215,109,236.02 = 93,124,570.12 : x
  2. Step 2: Convert to fraction form
    155,826,346.76/215,109,236.02 = 93,124,570.12/x
  3. Step 3: Cross multiply
    155,826,346.76x = 215,109,236.02 × 93,124,570.12
  4. Step 4: Simplify right side
    155,826,346.76x = 20,031,955,133,204,120
  5. Step 5: Solve for x
    x = 20,031,955,133,204,120/155,826,346.76
  6. Step 6: Final answer
    x = 128,553,069.17

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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.