Home / 93,439,871.40-140,158,494.90-42,321,808.20

Finding the Fourth Proportional to 93,439,871.40, 140,158,494.90 and 42,321,808.20

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Solution

The fourth proportional to 93,439,871.40, 140,158,494.90 and 42,321,808.20 is: 63,482,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,439,871.40 : 140,158,494.90 = 42,321,808.20 : x
  2. Step 2: Convert to fraction form
    93,439,871.40/140,158,494.90 = 42,321,808.20/x
  3. Step 3: Cross multiply
    93,439,871.40x = 140,158,494.90 × 42,321,808.20
  4. Step 4: Simplify right side
    93,439,871.40x = 5,931,760,938,758,479
  5. Step 5: Solve for x
    x = 5,931,760,938,758,479/93,439,871.40
  6. Step 6: Final answer
    x = 63,482,117.96

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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.