Home / 153,662,880.61-212,056,420.13-84,046,772.89

Finding the Fourth Proportional to 153,662,880.61, 212,056,420.13 and 84,046,772.89

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Solution

The fourth proportional to 153,662,880.61, 212,056,420.13 and 84,046,772.89 is: 115,985,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,662,880.61 : 212,056,420.13 = 84,046,772.89 : x
  2. Step 2: Convert to fraction form
    153,662,880.61/212,056,420.13 = 84,046,772.89/x
  3. Step 3: Cross multiply
    153,662,880.61x = 212,056,420.13 × 84,046,772.89
  4. Step 4: Simplify right side
    153,662,880.61x = 17,822,657,782,532,534
  5. Step 5: Solve for x
    x = 17,822,657,782,532,534/153,662,880.61
  6. Step 6: Final answer
    x = 115,985,446.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.