Home / 86,249,172.78-119,034,295.74-49,088,488.50

Finding the Fourth Proportional to 86,249,172.78, 119,034,295.74 and 49,088,488.50

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Solution

The fourth proportional to 86,249,172.78, 119,034,295.74 and 49,088,488.50 is: 67,748,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,249,172.78 : 119,034,295.74 = 49,088,488.50 : x
  2. Step 2: Convert to fraction form
    86,249,172.78/119,034,295.74 = 49,088,488.50/x
  3. Step 3: Cross multiply
    86,249,172.78x = 119,034,295.74 × 49,088,488.50
  4. Step 4: Simplify right side
    86,249,172.78x = 5,843,213,657,538,589
  5. Step 5: Solve for x
    x = 5,843,213,657,538,589/86,249,172.78
  6. Step 6: Final answer
    x = 67,748,054.49

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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.