Home / 146,756,483.60-220,134,725.40-78,732,035.60

Finding the Fourth Proportional to 146,756,483.60, 220,134,725.40 and 78,732,035.60

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Solution

The fourth proportional to 146,756,483.60, 220,134,725.40 and 78,732,035.60 is: 118,098,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,756,483.60 : 220,134,725.40 = 78,732,035.60 : x
  2. Step 2: Convert to fraction form
    146,756,483.60/220,134,725.40 = 78,732,035.60/x
  3. Step 3: Cross multiply
    146,756,483.60x = 220,134,725.40 × 78,732,035.60
  4. Step 4: Simplify right side
    146,756,483.60x = 17,331,655,036,989,024
  5. Step 5: Solve for x
    x = 17,331,655,036,989,024/146,756,483.60
  6. Step 6: Final answer
    x = 118,098,053.40

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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.