Home / 55,721,864.40-83,417,459.40-41,408,386.80

Finding the Fourth Proportional to 55,721,864.40, 83,417,459.40 and 41,408,386.80

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Solution

The fourth proportional to 55,721,864.40, 83,417,459.40 and 41,408,386.80 is: 61,989,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,721,864.40 : 83,417,459.40 = 41,408,386.80 : x
  2. Step 2: Convert to fraction form
    55,721,864.40/83,417,459.40 = 41,408,386.80/x
  3. Step 3: Cross multiply
    55,721,864.40x = 83,417,459.40 × 41,408,386.80
  4. Step 4: Simplify right side
    55,721,864.40x = 3,454,182,424,708,496
  5. Step 5: Solve for x
    x = 3,454,182,424,708,496/55,721,864.40
  6. Step 6: Final answer
    x = 61,989,713.77

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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.