Home / 123,871,525,376.40-185,906,579,880.69-64,197,248,281.74

Finding the Fourth Proportional to 123,871,525,376.40, 185,906,579,880.69 and 64,197,248,281.74

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Solution

The fourth proportional to 123,871,525,376.40, 185,906,579,880.69 and 64,197,248,281.74 is: 96,347,331,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,871,525,376.40 : 185,906,579,880.69 = 64,197,248,281.74 : x
  2. Step 2: Convert to fraction form
    123,871,525,376.40/185,906,579,880.69 = 64,197,248,281.74/x
  3. Step 3: Cross multiply
    123,871,525,376.40x = 185,906,579,880.69 × 64,197,248,281.74
  4. Step 4: Simplify right side
    123,871,525,376.40x = 11,934,690,865,809,786,404,864
  5. Step 5: Solve for x
    x = 11,934,690,865,809,786,404,864/123,871,525,376.40
  6. Step 6: Final answer
    x = 96,347,331,071.81

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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.