Home / 132,523,608.16-182,880,395.52-77,528,781.28

Finding the Fourth Proportional to 132,523,608.16, 182,880,395.52 and 77,528,781.28

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Solution

The fourth proportional to 132,523,608.16, 182,880,395.52 and 77,528,781.28 is: 106,988,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,523,608.16 : 182,880,395.52 = 77,528,781.28 : x
  2. Step 2: Convert to fraction form
    132,523,608.16/182,880,395.52 = 77,528,781.28/x
  3. Step 3: Cross multiply
    132,523,608.16x = 182,880,395.52 × 77,528,781.28
  4. Step 4: Simplify right side
    132,523,608.16x = 14,178,494,184,669,972
  5. Step 5: Solve for x
    x = 14,178,494,184,669,972/132,523,608.16
  6. Step 6: Final answer
    x = 106,988,440.64

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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.