Home / 139,461,269.13-192,018,470.67-118,509,109.29

Finding the Fourth Proportional to 139,461,269.13, 192,018,470.67 and 118,509,109.29

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Solution

The fourth proportional to 139,461,269.13, 192,018,470.67 and 118,509,109.29 is: 163,170,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,461,269.13 : 192,018,470.67 = 118,509,109.29 : x
  2. Step 2: Convert to fraction form
    139,461,269.13/192,018,470.67 = 118,509,109.29/x
  3. Step 3: Cross multiply
    139,461,269.13x = 192,018,470.67 × 118,509,109.29
  4. Step 4: Simplify right side
    139,461,269.13x = 22,755,937,926,329,688
  5. Step 5: Solve for x
    x = 22,755,937,926,329,688/139,461,269.13
  6. Step 6: Final answer
    x = 163,170,305.77

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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.