Home / 129,301,201.65-178,439,437.67-70,567,636.26

Finding the Fourth Proportional to 129,301,201.65, 178,439,437.67 and 70,567,636.26

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Solution

The fourth proportional to 129,301,201.65, 178,439,437.67 and 70,567,636.26 is: 97,385,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,301,201.65 : 178,439,437.67 = 70,567,636.26 : x
  2. Step 2: Convert to fraction form
    129,301,201.65/178,439,437.67 = 70,567,636.26/x
  3. Step 3: Cross multiply
    129,301,201.65x = 178,439,437.67 × 70,567,636.26
  4. Step 4: Simplify right side
    129,301,201.65x = 12,592,049,331,582,664
  5. Step 5: Solve for x
    x = 12,592,049,331,582,664/129,301,201.65
  6. Step 6: Final answer
    x = 97,385,400.68

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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.