Home / 141,887,820.40-212,831,730.60-83,535,598.60

Finding the Fourth Proportional to 141,887,820.40, 212,831,730.60 and 83,535,598.60

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Solution

The fourth proportional to 141,887,820.40, 212,831,730.60 and 83,535,598.60 is: 125,303,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,887,820.40 : 212,831,730.60 = 83,535,598.60 : x
  2. Step 2: Convert to fraction form
    141,887,820.40/212,831,730.60 = 83,535,598.60/x
  3. Step 3: Cross multiply
    141,887,820.40x = 212,831,730.60 × 83,535,598.60
  4. Step 4: Simplify right side
    141,887,820.40x = 17,779,026,016,744,936
  5. Step 5: Solve for x
    x = 17,779,026,016,744,936/141,887,820.40
  6. Step 6: Final answer
    x = 125,303,397.90

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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.