Home / 66,506,551.90-99,759,827.85-39,296,772.70

Finding the Fourth Proportional to 66,506,551.90, 99,759,827.85 and 39,296,772.70

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Solution

The fourth proportional to 66,506,551.90, 99,759,827.85 and 39,296,772.70 is: 58,945,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,506,551.90 : 99,759,827.85 = 39,296,772.70 : x
  2. Step 2: Convert to fraction form
    66,506,551.90/99,759,827.85 = 39,296,772.70/x
  3. Step 3: Cross multiply
    66,506,551.90x = 99,759,827.85 × 39,296,772.70
  4. Step 4: Simplify right side
    66,506,551.90x = 3,920,239,279,612,580
  5. Step 5: Solve for x
    x = 3,920,239,279,612,580/66,506,551.90
  6. Step 6: Final answer
    x = 58,945,159.05

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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.