Home / 142,718,187.60-214,077,281.40-99,671,466.60

Finding the Fourth Proportional to 142,718,187.60, 214,077,281.40 and 99,671,466.60

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Solution

The fourth proportional to 142,718,187.60, 214,077,281.40 and 99,671,466.60 is: 149,507,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,718,187.60 : 214,077,281.40 = 99,671,466.60 : x
  2. Step 2: Convert to fraction form
    142,718,187.60/214,077,281.40 = 99,671,466.60/x
  3. Step 3: Cross multiply
    142,718,187.60x = 214,077,281.40 × 99,671,466.60
  4. Step 4: Simplify right side
    142,718,187.60x = 21,337,396,602,878,900
  5. Step 5: Solve for x
    x = 21,337,396,602,878,900/142,718,187.60
  6. Step 6: Final answer
    x = 149,507,199.90

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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.