Home / 131,128,103.30-196,692,154.95-63,103,655.30

Finding the Fourth Proportional to 131,128,103.30, 196,692,154.95 and 63,103,655.30

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Solution

The fourth proportional to 131,128,103.30, 196,692,154.95 and 63,103,655.30 is: 94,655,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,128,103.30 : 196,692,154.95 = 63,103,655.30 : x
  2. Step 2: Convert to fraction form
    131,128,103.30/196,692,154.95 = 63,103,655.30/x
  3. Step 3: Cross multiply
    131,128,103.30x = 196,692,154.95 × 63,103,655.30
  4. Step 4: Simplify right side
    131,128,103.30x = 12,411,993,946,178,988
  5. Step 5: Solve for x
    x = 12,411,993,946,178,988/131,128,103.30
  6. Step 6: Final answer
    x = 94,655,482.95

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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.