Home / 145,285,257,969.92-200,498,602,941.60-84,312,904,494.08

Finding the Fourth Proportional to 145,285,257,969.92, 200,498,602,941.60 and 84,312,904,494.08

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Solution

The fourth proportional to 145,285,257,969.92, 200,498,602,941.60 and 84,312,904,494.08 is: 116,354,679,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,285,257,969.92 : 200,498,602,941.60 = 84,312,904,494.08 : x
  2. Step 2: Convert to fraction form
    145,285,257,969.92/200,498,602,941.60 = 84,312,904,494.08/x
  3. Step 3: Cross multiply
    145,285,257,969.92x = 200,498,602,941.60 × 84,312,904,494.08
  4. Step 4: Simplify right side
    145,285,257,969.92x = 16,904,619,561,011,589,939,200
  5. Step 5: Solve for x
    x = 16,904,619,561,011,589,939,200/145,285,257,969.92
  6. Step 6: Final answer
    x = 116,354,679,044.67

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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.