Home / 93,473,611.81-128,986,826.36-51,657,176.72

Finding the Fourth Proportional to 93,473,611.81, 128,986,826.36 and 51,657,176.72

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Solution

The fourth proportional to 93,473,611.81, 128,986,826.36 and 51,657,176.72 is: 71,283,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,473,611.81 : 128,986,826.36 = 51,657,176.72 : x
  2. Step 2: Convert to fraction form
    93,473,611.81/128,986,826.36 = 51,657,176.72/x
  3. Step 3: Cross multiply
    93,473,611.81x = 128,986,826.36 × 51,657,176.72
  4. Step 4: Simplify right side
    93,473,611.81x = 6,663,095,283,894,655
  5. Step 5: Solve for x
    x = 6,663,095,283,894,655/93,473,611.81
  6. Step 6: Final answer
    x = 71,283,169.18

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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.