Home / 119,790,688.50-165,311,150.40-64,786,545

Finding the Fourth Proportional to 119,790,688.50, 165,311,150.40 and 64,786,545

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Solution

The fourth proportional to 119,790,688.50, 165,311,150.40 and 64,786,545 is: 89,405,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,790,688.50 : 165,311,150.40 = 64,786,545 : x
  2. Step 2: Convert to fraction form
    119,790,688.50/165,311,150.40 = 64,786,545/x
  3. Step 3: Cross multiply
    119,790,688.50x = 165,311,150.40 × 64,786,545
  4. Step 4: Simplify right side
    119,790,688.50x = 10,709,938,284,391,368
  5. Step 5: Solve for x
    x = 10,709,938,284,391,368/119,790,688.50
  6. Step 6: Final answer
    x = 89,405,432.25

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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.