Home / 157,523,857.60-236,285,786.40-42,508,215.40

Finding the Fourth Proportional to 157,523,857.60, 236,285,786.40 and 42,508,215.40

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Solution

The fourth proportional to 157,523,857.60, 236,285,786.40 and 42,508,215.40 is: 63,762,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,523,857.60 : 236,285,786.40 = 42,508,215.40 : x
  2. Step 2: Convert to fraction form
    157,523,857.60/236,285,786.40 = 42,508,215.40/x
  3. Step 3: Cross multiply
    157,523,857.60x = 236,285,786.40 × 42,508,215.40
  4. Step 4: Simplify right side
    157,523,857.60x = 10,044,087,104,249,590
  5. Step 5: Solve for x
    x = 10,044,087,104,249,590/157,523,857.60
  6. Step 6: Final answer
    x = 63,762,323.10

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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.