Home / 107,384,709.60-148,186,727.36-65,638,671.95

Finding the Fourth Proportional to 107,384,709.60, 148,186,727.36 and 65,638,671.95

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Solution

The fourth proportional to 107,384,709.60, 148,186,727.36 and 65,638,671.95 is: 90,578,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384,709.60 : 148,186,727.36 = 65,638,671.95 : x
  2. Step 2: Convert to fraction form
    107,384,709.60/148,186,727.36 = 65,638,671.95/x
  3. Step 3: Cross multiply
    107,384,709.60x = 148,186,727.36 × 65,638,671.95
  4. Step 4: Simplify right side
    107,384,709.60x = 9,726,779,984,527,130
  5. Step 5: Solve for x
    x = 9,726,779,984,527,130/107,384,709.60
  6. Step 6: Final answer
    x = 90,578,817.23

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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.