Home / 128,306,051.40-192,459,077.10-107,048,411.40

Finding the Fourth Proportional to 128,306,051.40, 192,459,077.10 and 107,048,411.40

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Solution

The fourth proportional to 128,306,051.40, 192,459,077.10 and 107,048,411.40 is: 160,572,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,306,051.40 : 192,459,077.10 = 107,048,411.40 : x
  2. Step 2: Convert to fraction form
    128,306,051.40/192,459,077.10 = 107,048,411.40/x
  3. Step 3: Cross multiply
    128,306,051.40x = 192,459,077.10 × 107,048,411.40
  4. Step 4: Simplify right side
    128,306,051.40x = 20,602,438,463,065,120
  5. Step 5: Solve for x
    x = 20,602,438,463,065,120/128,306,051.40
  6. Step 6: Final answer
    x = 160,572,617.10

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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.