Home / 77,441,502.08-106,865,428.78-42,633,445.19

Finding the Fourth Proportional to 77,441,502.08, 106,865,428.78 and 42,633,445.19

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Solution

The fourth proportional to 77,441,502.08, 106,865,428.78 and 42,633,445.19 is: 58,832,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,441,502.08 : 106,865,428.78 = 42,633,445.19 : x
  2. Step 2: Convert to fraction form
    77,441,502.08/106,865,428.78 = 42,633,445.19/x
  3. Step 3: Cross multiply
    77,441,502.08x = 106,865,428.78 × 42,633,445.19
  4. Step 4: Simplify right side
    77,441,502.08x = 4,556,041,399,957,068
  5. Step 5: Solve for x
    x = 4,556,041,399,957,068/77,441,502.08
  6. Step 6: Final answer
    x = 58,832,038.09

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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.