Home / 201,476,875.05-302,215,312.58-157,638,897.45

Finding the Fourth Proportional to 201,476,875.05, 302,215,312.58 and 157,638,897.45

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Solution

The fourth proportional to 201,476,875.05, 302,215,312.58 and 157,638,897.45 is: 236,458,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,476,875.05 : 302,215,312.58 = 157,638,897.45 : x
  2. Step 2: Convert to fraction form
    201,476,875.05/302,215,312.58 = 157,638,897.45/x
  3. Step 3: Cross multiply
    201,476,875.05x = 302,215,312.58 × 157,638,897.45
  4. Step 4: Simplify right side
    201,476,875.05x = 47,640,888,666,830,112
  5. Step 5: Solve for x
    x = 47,640,888,666,830,112/201,476,875.05
  6. Step 6: Final answer
    x = 236,458,346.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.