Home / 93,439,872.40-140,158,496.40-42,321,809.20

Finding the Fourth Proportional to 93,439,872.40, 140,158,496.40 and 42,321,809.20

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Solution

The fourth proportional to 93,439,872.40, 140,158,496.40 and 42,321,809.20 is: 63,482,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,439,872.40 : 140,158,496.40 = 42,321,809.20 : x
  2. Step 2: Convert to fraction form
    93,439,872.40/140,158,496.40 = 42,321,809.20/x
  3. Step 3: Cross multiply
    93,439,872.40x = 140,158,496.40 × 42,321,809.20
  4. Step 4: Simplify right side
    93,439,872.40x = 5,931,761,142,399,688
  5. Step 5: Solve for x
    x = 5,931,761,142,399,688/93,439,872.40
  6. Step 6: Final answer
    x = 63,482,119.46

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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.