Home / 129,301,202.65-178,439,439.05-70,567,637.26

Finding the Fourth Proportional to 129,301,202.65, 178,439,439.05 and 70,567,637.26

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Solution

The fourth proportional to 129,301,202.65, 178,439,439.05 and 70,567,637.26 is: 97,385,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,301,202.65 : 178,439,439.05 = 70,567,637.26 : x
  2. Step 2: Convert to fraction form
    129,301,202.65/178,439,439.05 = 70,567,637.26/x
  3. Step 3: Cross multiply
    129,301,202.65x = 178,439,439.05 × 70,567,637.26
  4. Step 4: Simplify right side
    129,301,202.65x = 12,592,049,607,405,440
  5. Step 5: Solve for x
    x = 12,592,049,607,405,440/129,301,202.65
  6. Step 6: Final answer
    x = 97,385,402.06

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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.