Home / 103,312,531.95-142,571,439.99-56,269,790.16

Finding the Fourth Proportional to 103,312,531.95, 142,571,439.99 and 56,269,790.16

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Solution

The fourth proportional to 103,312,531.95, 142,571,439.99 and 56,269,790.16 is: 77,652,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,312,531.95 : 142,571,439.99 = 56,269,790.16 : x
  2. Step 2: Convert to fraction form
    103,312,531.95/142,571,439.99 = 56,269,790.16/x
  3. Step 3: Cross multiply
    103,312,531.95x = 142,571,439.99 × 56,269,790.16
  4. Step 4: Simplify right side
    103,312,531.95x = 8,022,465,011,046,333
  5. Step 5: Solve for x
    x = 8,022,465,011,046,333/103,312,531.95
  6. Step 6: Final answer
    x = 77,652,389.89

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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.