Home / 42,704,030.16-64,042,797.08-15,406,774.32

Finding the Fourth Proportional to 42,704,030.16, 64,042,797.08 and 15,406,774.32

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Solution

The fourth proportional to 42,704,030.16, 64,042,797.08 and 15,406,774.32 is: 23,105,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704,030.16 : 64,042,797.08 = 15,406,774.32 : x
  2. Step 2: Convert to fraction form
    42,704,030.16/64,042,797.08 = 15,406,774.32/x
  3. Step 3: Cross multiply
    42,704,030.16x = 64,042,797.08 × 15,406,774.32
  4. Step 4: Simplify right side
    42,704,030.16x = 986,692,921,433,115
  5. Step 5: Solve for x
    x = 986,692,921,433,115/42,704,030.16
  6. Step 6: Final answer
    x = 23,105,381.80

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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.