Home / 145,047,445.85-217,579,689.57-41,408,687

Finding the Fourth Proportional to 145,047,445.85, 217,579,689.57 and 41,408,687

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Solution

The fourth proportional to 145,047,445.85, 217,579,689.57 and 41,408,687 is: 62,115,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,047,445.85 : 217,579,689.57 = 41,408,687 : x
  2. Step 2: Convert to fraction form
    145,047,445.85/217,579,689.57 = 41,408,687/x
  3. Step 3: Cross multiply
    145,047,445.85x = 217,579,689.57 × 41,408,687
  4. Step 4: Simplify right side
    145,047,445.85x = 9,009,689,262,961,294
  5. Step 5: Solve for x
    x = 9,009,689,262,961,294/145,047,445.85
  6. Step 6: Final answer
    x = 62,115,463.05

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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.