Home / 260,574,484.98-390,875,179.95-66,487,598.58

Finding the Fourth Proportional to 260,574,484.98, 390,875,179.95 and 66,487,598.58

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Solution

The fourth proportional to 260,574,484.98, 390,875,179.95 and 66,487,598.58 is: 99,734,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,574,484.98 : 390,875,179.95 = 66,487,598.58 : x
  2. Step 2: Convert to fraction form
    260,574,484.98/390,875,179.95 = 66,487,598.58/x
  3. Step 3: Cross multiply
    260,574,484.98x = 390,875,179.95 × 66,487,598.58
  4. Step 4: Simplify right side
    260,574,484.98x = 25,988,352,059,400,864
  5. Step 5: Solve for x
    x = 25,988,352,059,400,864/260,574,484.98
  6. Step 6: Final answer
    x = 99,734,830.37

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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.