Home / 103,450,903.83-142,796,841.54-61,648,077.70

Finding the Fourth Proportional to 103,450,903.83, 142,796,841.54 and 61,648,077.70

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Solution

The fourth proportional to 103,450,903.83, 142,796,841.54 and 61,648,077.70 is: 85,094,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,450,903.83 : 142,796,841.54 = 61,648,077.70 : x
  2. Step 2: Convert to fraction form
    103,450,903.83/142,796,841.54 = 61,648,077.70/x
  3. Step 3: Cross multiply
    103,450,903.83x = 142,796,841.54 × 61,648,077.70
  4. Step 4: Simplify right side
    103,450,903.83x = 8,803,150,782,982,184
  5. Step 5: Solve for x
    x = 8,803,150,782,982,184/103,450,903.83
  6. Step 6: Final answer
    x = 85,094,962.51

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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.