Home / 52,281,666.12-72,148,300.28-28,759,696.36

Finding the Fourth Proportional to 52,281,666.12, 72,148,300.28 and 28,759,696.36

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Solution

The fourth proportional to 52,281,666.12, 72,148,300.28 and 28,759,696.36 is: 39,688,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281,666.12 : 72,148,300.28 = 28,759,696.36 : x
  2. Step 2: Convert to fraction form
    52,281,666.12/72,148,300.28 = 28,759,696.36/x
  3. Step 3: Cross multiply
    52,281,666.12x = 72,148,300.28 × 28,759,696.36
  4. Step 4: Simplify right side
    52,281,666.12x = 2,074,963,208,848,562.75
  5. Step 5: Solve for x
    x = 2,074,963,208,848,562.75/52,281,666.12
  6. Step 6: Final answer
    x = 39,688,161.51

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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.