Home / 191,457,389.52-286,968,235.86-116,509,319.78

Finding the Fourth Proportional to 191,457,389.52, 286,968,235.86 and 116,509,319.78

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Solution

The fourth proportional to 191,457,389.52, 286,968,235.86 and 116,509,319.78 is: 174,631,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,457,389.52 : 286,968,235.86 = 116,509,319.78 : x
  2. Step 2: Convert to fraction form
    191,457,389.52/286,968,235.86 = 116,509,319.78/x
  3. Step 3: Cross multiply
    191,457,389.52x = 286,968,235.86 × 116,509,319.78
  4. Step 4: Simplify right side
    191,457,389.52x = 33,434,473,957,080,364
  5. Step 5: Solve for x
    x = 33,434,473,957,080,364/191,457,389.52
  6. Step 6: Final answer
    x = 174,631,410.37

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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.