Home / 69,838,459.80-96,377,101.08-40,486,807.32

Finding the Fourth Proportional to 69,838,459.80, 96,377,101.08 and 40,486,807.32

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Solution

The fourth proportional to 69,838,459.80, 96,377,101.08 and 40,486,807.32 is: 55,871,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,838,459.80 : 96,377,101.08 = 40,486,807.32 : x
  2. Step 2: Convert to fraction form
    69,838,459.80/96,377,101.08 = 40,486,807.32/x
  3. Step 3: Cross multiply
    69,838,459.80x = 96,377,101.08 × 40,486,807.32
  4. Step 4: Simplify right side
    69,838,459.80x = 3,902,001,121,486,124
  5. Step 5: Solve for x
    x = 3,902,001,121,486,124/69,838,459.80
  6. Step 6: Final answer
    x = 55,871,809.50

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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.