Home / 107,637,116.16-148,492,622.88-65,823,009.60

Finding the Fourth Proportional to 107,637,116.16, 148,492,622.88 and 65,823,009.60

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Solution

The fourth proportional to 107,637,116.16, 148,492,622.88 and 65,823,009.60 is: 90,807,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,637,116.16 : 148,492,622.88 = 65,823,009.60 : x
  2. Step 2: Convert to fraction form
    107,637,116.16/148,492,622.88 = 65,823,009.60/x
  3. Step 3: Cross multiply
    107,637,116.16x = 148,492,622.88 × 65,823,009.60
  4. Step 4: Simplify right side
    107,637,116.16x = 9,774,231,341,359,420
  5. Step 5: Solve for x
    x = 9,774,231,341,359,420/107,637,116.16
  6. Step 6: Final answer
    x = 90,807,257.66

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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.