Home / 82,959,873.60-124,439,810.40-65,641,166.40

Finding the Fourth Proportional to 82,959,873.60, 124,439,810.40 and 65,641,166.40

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Solution

The fourth proportional to 82,959,873.60, 124,439,810.40 and 65,641,166.40 is: 98,461,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,959,873.60 : 124,439,810.40 = 65,641,166.40 : x
  2. Step 2: Convert to fraction form
    82,959,873.60/124,439,810.40 = 65,641,166.40/x
  3. Step 3: Cross multiply
    82,959,873.60x = 124,439,810.40 × 65,641,166.40
  4. Step 4: Simplify right side
    82,959,873.60x = 8,168,374,301,250,851
  5. Step 5: Solve for x
    x = 8,168,374,301,250,851/82,959,873.60
  6. Step 6: Final answer
    x = 98,461,749.60

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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.