Home / 45,513,330.80-68,255,999.40-13,168,281.20

Finding the Fourth Proportional to 45,513,330.80, 68,255,999.40 and 13,168,281.20

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Solution

The fourth proportional to 45,513,330.80, 68,255,999.40 and 13,168,281.20 is: 19,748,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513,330.80 : 68,255,999.40 = 13,168,281.20 : x
  2. Step 2: Convert to fraction form
    45,513,330.80/68,255,999.40 = 13,168,281.20/x
  3. Step 3: Cross multiply
    45,513,330.80x = 68,255,999.40 × 13,168,281.20
  4. Step 4: Simplify right side
    45,513,330.80x = 898,814,193,686,231.25
  5. Step 5: Solve for x
    x = 898,814,193,686,231.25/45,513,330.80
  6. Step 6: Final answer
    x = 19,748,372.13

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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.