Home / 288,085,963.48-432,130,079.96-69,735,955.02

Finding the Fourth Proportional to 288,085,963.48, 432,130,079.96 and 69,735,955.02

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Solution

The fourth proportional to 288,085,963.48, 432,130,079.96 and 69,735,955.02 is: 104,604,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,085,963.48 : 432,130,079.96 = 69,735,955.02 : x
  2. Step 2: Convert to fraction form
    288,085,963.48/432,130,079.96 = 69,735,955.02/x
  3. Step 3: Cross multiply
    288,085,963.48x = 432,130,079.96 × 69,735,955.02
  4. Step 4: Simplify right side
    288,085,963.48x = 30,135,003,817,171,908
  5. Step 5: Solve for x
    x = 30,135,003,817,171,908/288,085,963.48
  6. Step 6: Final answer
    x = 104,604,207.21

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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.