Home / 157,159,948.50-216,970,625.57-104,308,328.16

Finding the Fourth Proportional to 157,159,948.50, 216,970,625.57 and 104,308,328.16

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Solution

The fourth proportional to 157,159,948.50, 216,970,625.57 and 104,308,328.16 is: 144,005,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,159,948.50 : 216,970,625.57 = 104,308,328.16 : x
  2. Step 2: Convert to fraction form
    157,159,948.50/216,970,625.57 = 104,308,328.16/x
  3. Step 3: Cross multiply
    157,159,948.50x = 216,970,625.57 × 104,308,328.16
  4. Step 4: Simplify right side
    157,159,948.50x = 22,631,843,212,514,504
  5. Step 5: Solve for x
    x = 22,631,843,212,514,504/157,159,948.50
  6. Step 6: Final answer
    x = 144,005,157.98

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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.