Home / 144,855,001.80-217,282,502.70-128,730,688.20

Finding the Fourth Proportional to 144,855,001.80, 217,282,502.70 and 128,730,688.20

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Solution

The fourth proportional to 144,855,001.80, 217,282,502.70 and 128,730,688.20 is: 193,096,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,855,001.80 : 217,282,502.70 = 128,730,688.20 : x
  2. Step 2: Convert to fraction form
    144,855,001.80/217,282,502.70 = 128,730,688.20/x
  3. Step 3: Cross multiply
    144,855,001.80x = 217,282,502.70 × 128,730,688.20
  4. Step 4: Simplify right side
    144,855,001.80x = 27,970,926,106,389,356
  5. Step 5: Solve for x
    x = 27,970,926,106,389,356/144,855,001.80
  6. Step 6: Final answer
    x = 193,096,032.30

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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.