Home / 122,890,466.80-184,335,700.20-77,304,444.40

Finding the Fourth Proportional to 122,890,466.80, 184,335,700.20 and 77,304,444.40

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Solution

The fourth proportional to 122,890,466.80, 184,335,700.20 and 77,304,444.40 is: 115,956,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,890,466.80 : 184,335,700.20 = 77,304,444.40 : x
  2. Step 2: Convert to fraction form
    122,890,466.80/184,335,700.20 = 77,304,444.40/x
  3. Step 3: Cross multiply
    122,890,466.80x = 184,335,700.20 × 77,304,444.40
  4. Step 4: Simplify right side
    122,890,466.80x = 14,249,968,887,045,970
  5. Step 5: Solve for x
    x = 14,249,968,887,045,970/122,890,466.80
  6. Step 6: Final answer
    x = 115,956,666.60

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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.