Home / 70,688,480.31-97,551,000.57-38,902,309.59

Finding the Fourth Proportional to 70,688,480.31, 97,551,000.57 and 38,902,309.59

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Solution

The fourth proportional to 70,688,480.31, 97,551,000.57 and 38,902,309.59 is: 53,685,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688,480.31 : 97,551,000.57 = 38,902,309.59 : x
  2. Step 2: Convert to fraction form
    70,688,480.31/97,551,000.57 = 38,902,309.59/x
  3. Step 3: Cross multiply
    70,688,480.31x = 97,551,000.57 × 38,902,309.59
  4. Step 4: Simplify right side
    70,688,480.31x = 3,794,959,224,988,406.50
  5. Step 5: Solve for x
    x = 3,794,959,224,988,406.50/70,688,480.31
  6. Step 6: Final answer
    x = 53,685,681.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.