Home / 142,430,546.40-213,677,312.40-65,735,080.80

Finding the Fourth Proportional to 142,430,546.40, 213,677,312.40 and 65,735,080.80

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Solution

The fourth proportional to 142,430,546.40, 213,677,312.40 and 65,735,080.80 is: 98,617,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,430,546.40 : 213,677,312.40 = 65,735,080.80 : x
  2. Step 2: Convert to fraction form
    142,430,546.40/213,677,312.40 = 65,735,080.80/x
  3. Step 3: Cross multiply
    142,430,546.40x = 213,677,312.40 × 65,735,080.80
  4. Step 4: Simplify right side
    142,430,546.40x = 14,046,095,395,740,842
  5. Step 5: Solve for x
    x = 14,046,095,395,740,842/142,430,546.40
  6. Step 6: Final answer
    x = 98,617,155.88

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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.