Home / 82,959,875.60-124,439,813.40-65,641,168.40

Finding the Fourth Proportional to 82,959,875.60, 124,439,813.40 and 65,641,168.40

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Solution

The fourth proportional to 82,959,875.60, 124,439,813.40 and 65,641,168.40 is: 98,461,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,959,875.60 : 124,439,813.40 = 65,641,168.40 : x
  2. Step 2: Convert to fraction form
    82,959,875.60/124,439,813.40 = 65,641,168.40/x
  3. Step 3: Cross multiply
    82,959,875.60x = 124,439,813.40 × 65,641,168.40
  4. Step 4: Simplify right side
    82,959,875.60x = 8,168,374,747,053,977
  5. Step 5: Solve for x
    x = 8,168,374,747,053,977/82,959,875.60
  6. Step 6: Final answer
    x = 98,461,752.60

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1.5x scale

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.