Home / 61,265,852.70-91,772,807.85-42,118,230.30

Finding the Fourth Proportional to 61,265,852.70, 91,772,807.85 and 42,118,230.30

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Solution

The fourth proportional to 61,265,852.70, 91,772,807.85 and 42,118,230.30 is: 63,090,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,265,852.70 : 91,772,807.85 = 42,118,230.30 : x
  2. Step 2: Convert to fraction form
    61,265,852.70/91,772,807.85 = 42,118,230.30/x
  3. Step 3: Cross multiply
    61,265,852.70x = 91,772,807.85 × 42,118,230.30
  4. Step 4: Simplify right side
    61,265,852.70x = 3,865,308,256,303,947.50
  5. Step 5: Solve for x
    x = 3,865,308,256,303,947.50/61,265,852.70
  6. Step 6: Final answer
    x = 63,090,744.45

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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.