Home / 55,655,139.30-83,486,856.15-19,748,681.70

Finding the Fourth Proportional to 55,655,139.30, 83,486,856.15 and 19,748,681.70

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Solution

The fourth proportional to 55,655,139.30, 83,486,856.15 and 19,748,681.70 is: 29,624,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655,139.30 : 83,486,856.15 = 19,748,681.70 : x
  2. Step 2: Convert to fraction form
    55,655,139.30/83,486,856.15 = 19,748,681.70/x
  3. Step 3: Cross multiply
    55,655,139.30x = 83,486,856.15 × 19,748,681.70
  4. Step 4: Simplify right side
    55,655,139.30x = 1,648,755,348,240,037.50
  5. Step 5: Solve for x
    x = 1,648,755,348,240,037.50/55,655,139.30
  6. Step 6: Final answer
    x = 29,624,494.14

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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.