Home / 120,031,665.07-180,047,499.77-29,154,641.71

Finding the Fourth Proportional to 120,031,665.07, 180,047,499.77 and 29,154,641.71

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Solution

The fourth proportional to 120,031,665.07, 180,047,499.77 and 29,154,641.71 is: 43,731,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,031,665.07 : 180,047,499.77 = 29,154,641.71 : x
  2. Step 2: Convert to fraction form
    120,031,665.07/180,047,499.77 = 29,154,641.71/x
  3. Step 3: Cross multiply
    120,031,665.07x = 180,047,499.77 × 29,154,641.71
  4. Step 4: Simplify right side
    120,031,665.07x = 5,249,220,346,575,658
  5. Step 5: Solve for x
    x = 5,249,220,346,575,658/120,031,665.07
  6. Step 6: Final answer
    x = 43,731,963.09

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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.