Home / 191,425,838.94-287,156,615.13-148,343,389.38

Finding the Fourth Proportional to 191,425,838.94, 287,156,615.13 and 148,343,389.38

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Solution

The fourth proportional to 191,425,838.94, 287,156,615.13 and 148,343,389.38 is: 222,528,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,425,838.94 : 287,156,615.13 = 148,343,389.38 : x
  2. Step 2: Convert to fraction form
    191,425,838.94/287,156,615.13 = 148,343,389.38/x
  3. Step 3: Cross multiply
    191,425,838.94x = 287,156,615.13 × 148,343,389.38
  4. Step 4: Simplify right side
    191,425,838.94x = 42,597,785,571,272,384
  5. Step 5: Solve for x
    x = 42,597,785,571,272,384/191,425,838.94
  6. Step 6: Final answer
    x = 222,528,921.94

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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.