Home / 145,987,656.10-201,464,221.77-83,266,931.04

Finding the Fourth Proportional to 145,987,656.10, 201,464,221.77 and 83,266,931.04

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Solution

The fourth proportional to 145,987,656.10, 201,464,221.77 and 83,266,931.04 is: 114,909,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,987,656.10 : 201,464,221.77 = 83,266,931.04 : x
  2. Step 2: Convert to fraction form
    145,987,656.10/201,464,221.77 = 83,266,931.04/x
  3. Step 3: Cross multiply
    145,987,656.10x = 201,464,221.77 × 83,266,931.04
  4. Step 4: Simplify right side
    145,987,656.10x = 16,775,307,460,276,958
  5. Step 5: Solve for x
    x = 16,775,307,460,276,958/145,987,656.10
  6. Step 6: Final answer
    x = 114,909,081.41

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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.