Home / 124,169,811.12-171,354,509.28-67,654,275.84

Finding the Fourth Proportional to 124,169,811.12, 171,354,509.28 and 67,654,275.84

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Solution

The fourth proportional to 124,169,811.12, 171,354,509.28 and 67,654,275.84 is: 93,362,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,169,811.12 : 171,354,509.28 = 67,654,275.84 : x
  2. Step 2: Convert to fraction form
    124,169,811.12/171,354,509.28 = 67,654,275.84/x
  3. Step 3: Cross multiply
    124,169,811.12x = 171,354,509.28 × 67,654,275.84
  4. Step 4: Simplify right side
    124,169,811.12x = 11,592,865,237,256,960
  5. Step 5: Solve for x
    x = 11,592,865,237,256,960/124,169,811.12
  6. Step 6: Final answer
    x = 93,362,993.25

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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.