Home / 119,158,048.07-178,736,809.65-31,719,584.66

Finding the Fourth Proportional to 119,158,048.07, 178,736,809.65 and 31,719,584.66

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Solution

The fourth proportional to 119,158,048.07, 178,736,809.65 and 31,719,584.66 is: 47,579,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,158,048.07 : 178,736,809.65 = 31,719,584.66 : x
  2. Step 2: Convert to fraction form
    119,158,048.07/178,736,809.65 = 31,719,584.66/x
  3. Step 3: Cross multiply
    119,158,048.07x = 178,736,809.65 × 31,719,584.66
  4. Step 4: Simplify right side
    119,158,048.07x = 5,669,457,364,657,796
  5. Step 5: Solve for x
    x = 5,669,457,364,657,796/119,158,048.07
  6. Step 6: Final answer
    x = 47,579,307.12

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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.