Home / 129,038,935.40-193,558,403.10-117,094,999.40

Finding the Fourth Proportional to 129,038,935.40, 193,558,403.10 and 117,094,999.40

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Solution

The fourth proportional to 129,038,935.40, 193,558,403.10 and 117,094,999.40 is: 175,642,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,038,935.40 : 193,558,403.10 = 117,094,999.40 : x
  2. Step 2: Convert to fraction form
    129,038,935.40/193,558,403.10 = 117,094,999.40/x
  3. Step 3: Cross multiply
    129,038,935.40x = 193,558,403.10 × 117,094,999.40
  4. Step 4: Simplify right side
    129,038,935.40x = 22,664,721,094,859,460
  5. Step 5: Solve for x
    x = 22,664,721,094,859,460/129,038,935.40
  6. Step 6: Final answer
    x = 175,642,499.10

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1.5x scale

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.