Home / 118,627,275.70-178,045,889.55-70,044,382.90

Finding the Fourth Proportional to 118,627,275.70, 178,045,889.55 and 70,044,382.90

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Solution

The fourth proportional to 118,627,275.70, 178,045,889.55 and 70,044,382.90 is: 105,128,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,627,275.70 : 178,045,889.55 = 70,044,382.90 : x
  2. Step 2: Convert to fraction form
    118,627,275.70/178,045,889.55 = 70,044,382.90/x
  3. Step 3: Cross multiply
    118,627,275.70x = 178,045,889.55 × 70,044,382.90
  4. Step 4: Simplify right side
    118,627,275.70x = 12,471,114,461,411,310
  5. Step 5: Solve for x
    x = 12,471,114,461,411,310/118,627,275.70
  6. Step 6: Final answer
    x = 105,128,558.23

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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.