Home / 155,445,606.30-233,317,708.65-78,855,116.70

Finding the Fourth Proportional to 155,445,606.30, 233,317,708.65 and 78,855,116.70

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Solution

The fourth proportional to 155,445,606.30, 233,317,708.65 and 78,855,116.70 is: 118,358,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,445,606.30 : 233,317,708.65 = 78,855,116.70 : x
  2. Step 2: Convert to fraction form
    155,445,606.30/233,317,708.65 = 78,855,116.70/x
  3. Step 3: Cross multiply
    155,445,606.30x = 233,317,708.65 × 78,855,116.70
  4. Step 4: Simplify right side
    155,445,606.30x = 18,398,295,143,772,352
  5. Step 5: Solve for x
    x = 18,398,295,143,772,352/155,445,606.30
  6. Step 6: Final answer
    x = 118,358,412.19

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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.