Home / 145,439,683,644.16-217,966,663,555.20-74,691,536,746.24

Finding the Fourth Proportional to 145,439,683,644.16, 217,966,663,555.20 and 74,691,536,746.24

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Solution

The fourth proportional to 145,439,683,644.16, 217,966,663,555.20 and 74,691,536,746.24 is: 111,938,259,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,439,683,644.16 : 217,966,663,555.20 = 74,691,536,746.24 : x
  2. Step 2: Convert to fraction form
    145,439,683,644.16/217,966,663,555.20 = 74,691,536,746.24/x
  3. Step 3: Cross multiply
    145,439,683,644.16x = 217,966,663,555.20 × 74,691,536,746.24
  4. Step 4: Simplify right side
    145,439,683,644.16x = 16,280,265,060,388,553,359,360
  5. Step 5: Solve for x
    x = 16,280,265,060,388,553,359,360/145,439,683,644.16
  6. Step 6: Final answer
    x = 111,938,259,575.84

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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.