Home / 130,035,502.40-179,457,055.68-72,088,750.40

Finding the Fourth Proportional to 130,035,502.40, 179,457,055.68 and 72,088,750.40

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Solution

The fourth proportional to 130,035,502.40, 179,457,055.68 and 72,088,750.40 is: 99,486,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,035,502.40 : 179,457,055.68 = 72,088,750.40 : x
  2. Step 2: Convert to fraction form
    130,035,502.40/179,457,055.68 = 72,088,750.40/x
  3. Step 3: Cross multiply
    130,035,502.40x = 179,457,055.68 × 72,088,750.40
  4. Step 4: Simplify right side
    130,035,502.40x = 12,936,834,894,434,424
  5. Step 5: Solve for x
    x = 12,936,834,894,434,424/130,035,502.40
  6. Step 6: Final answer
    x = 99,486,945.15

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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.