Home / 156,626,307.88-216,164,235.30-94,747,089.64

Finding the Fourth Proportional to 156,626,307.88, 216,164,235.30 and 94,747,089.64

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Solution

The fourth proportional to 156,626,307.88, 216,164,235.30 and 94,747,089.64 is: 130,763,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,626,307.88 : 216,164,235.30 = 94,747,089.64 : x
  2. Step 2: Convert to fraction form
    156,626,307.88/216,164,235.30 = 94,747,089.64/x
  3. Step 3: Cross multiply
    156,626,307.88x = 216,164,235.30 × 94,747,089.64
  4. Step 4: Simplify right side
    156,626,307.88x = 20,480,932,178,931,152
  5. Step 5: Solve for x
    x = 20,480,932,178,931,152/156,626,307.88
  6. Step 6: Final answer
    x = 130,763,040.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.