Home / 67,871,468-93,661,838.40-36,931,104.32

Finding the Fourth Proportional to 67,871,468, 93,661,838.40 and 36,931,104.32

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Solution

The fourth proportional to 67,871,468, 93,661,838.40 and 36,931,104.32 is: 50,964,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871,468 : 93,661,838.40 = 36,931,104.32 : x
  2. Step 2: Convert to fraction form
    67,871,468/93,661,838.40 = 36,931,104.32/x
  3. Step 3: Cross multiply
    67,871,468x = 93,661,838.40 × 36,931,104.32
  4. Step 4: Simplify right side
    67,871,468x = 3,459,035,124,753,382
  5. Step 5: Solve for x
    x = 3,459,035,124,753,382/67,871,468
  6. Step 6: Final answer
    x = 50,964,495.49

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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.