Home / 125,301,108.51-188,136,164.79-70,077,139.79

Finding the Fourth Proportional to 125,301,108.51, 188,136,164.79 and 70,077,139.79

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Solution

The fourth proportional to 125,301,108.51, 188,136,164.79 and 70,077,139.79 is: 105,218,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301,108.51 : 188,136,164.79 = 70,077,139.79 : x
  2. Step 2: Convert to fraction form
    125,301,108.51/188,136,164.79 = 70,077,139.79/x
  3. Step 3: Cross multiply
    125,301,108.51x = 188,136,164.79 × 70,077,139.79
  4. Step 4: Simplify right side
    125,301,108.51x = 13,184,044,318,602,624
  5. Step 5: Solve for x
    x = 13,184,044,318,602,624/125,301,108.51
  6. Step 6: Final answer
    x = 105,218,896.11

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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.