Home / 102,633,726.72-141,634,124.16-56,223,916.80

Finding the Fourth Proportional to 102,633,726.72, 141,634,124.16 and 56,223,916.80

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Solution

The fourth proportional to 102,633,726.72, 141,634,124.16 and 56,223,916.80 is: 77,588,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,633,726.72 : 141,634,124.16 = 56,223,916.80 : x
  2. Step 2: Convert to fraction form
    102,633,726.72/141,634,124.16 = 56,223,916.80/x
  3. Step 3: Cross multiply
    102,633,726.72x = 141,634,124.16 × 56,223,916.80
  4. Step 4: Simplify right side
    102,633,726.72x = 7,963,225,212,812,709
  5. Step 5: Solve for x
    x = 7,963,225,212,812,709/102,633,726.72
  6. Step 6: Final answer
    x = 77,588,775.81

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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.