Home / 66,357,924-99,576,077.04-28,016,956.32

Finding the Fourth Proportional to 66,357,924, 99,576,077.04 and 28,016,956.32

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Solution

The fourth proportional to 66,357,924, 99,576,077.04 and 28,016,956.32 is: 42,041,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,357,924 : 99,576,077.04 = 28,016,956.32 : x
  2. Step 2: Convert to fraction form
    66,357,924/99,576,077.04 = 28,016,956.32/x
  3. Step 3: Cross multiply
    66,357,924x = 99,576,077.04 × 28,016,956.32
  4. Step 4: Simplify right side
    66,357,924x = 2,789,818,600,946,635
  5. Step 5: Solve for x
    x = 2,789,818,600,946,635/66,357,924
  6. Step 6: Final answer
    x = 42,041,981.32

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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.