Home / 157,464,428.90-236,196,643.35-138,970,282.10

Finding the Fourth Proportional to 157,464,428.90, 236,196,643.35 and 138,970,282.10

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Solution

The fourth proportional to 157,464,428.90, 236,196,643.35 and 138,970,282.10 is: 208,455,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,428.90 : 236,196,643.35 = 138,970,282.10 : x
  2. Step 2: Convert to fraction form
    157,464,428.90/236,196,643.35 = 138,970,282.10/x
  3. Step 3: Cross multiply
    157,464,428.90x = 236,196,643.35 × 138,970,282.10
  4. Step 4: Simplify right side
    157,464,428.90x = 32,824,314,157,422,588
  5. Step 5: Solve for x
    x = 32,824,314,157,422,588/157,464,428.90
  6. Step 6: Final answer
    x = 208,455,423.15

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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.