Home / 154,602,271.35-213,356,329.83-91,011,136.14

Finding the Fourth Proportional to 154,602,271.35, 213,356,329.83 and 91,011,136.14

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Solution

The fourth proportional to 154,602,271.35, 213,356,329.83 and 91,011,136.14 is: 125,598,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,602,271.35 : 213,356,329.83 = 91,011,136.14 : x
  2. Step 2: Convert to fraction form
    154,602,271.35/213,356,329.83 = 91,011,136.14/x
  3. Step 3: Cross multiply
    154,602,271.35x = 213,356,329.83 × 91,011,136.14
  4. Step 4: Simplify right side
    154,602,271.35x = 19,417,801,980,488,876
  5. Step 5: Solve for x
    x = 19,417,801,980,488,876/154,602,271.35
  6. Step 6: Final answer
    x = 125,598,426.28

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1.5x scale

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.