Home / 90,298,830.71-124,610,266.85-53,131,518.34

Finding the Fourth Proportional to 90,298,830.71, 124,610,266.85 and 53,131,518.34

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Solution

The fourth proportional to 90,298,830.71, 124,610,266.85 and 53,131,518.34 is: 73,320,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,298,830.71 : 124,610,266.85 = 53,131,518.34 : x
  2. Step 2: Convert to fraction form
    90,298,830.71/124,610,266.85 = 53,131,518.34/x
  3. Step 3: Cross multiply
    90,298,830.71x = 124,610,266.85 × 53,131,518.34
  4. Step 4: Simplify right side
    90,298,830.71x = 6,620,732,677,915,886
  5. Step 5: Solve for x
    x = 6,620,732,677,915,886/90,298,830.71
  6. Step 6: Final answer
    x = 73,320,248.18

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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.