Home / 291,252,802.16-401,928,851.51-157,290,707.13

Finding the Fourth Proportional to 291,252,802.16, 401,928,851.51 and 157,290,707.13

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Solution

The fourth proportional to 291,252,802.16, 401,928,851.51 and 157,290,707.13 is: 217,061,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,252,802.16 : 401,928,851.51 = 157,290,707.13 : x
  2. Step 2: Convert to fraction form
    291,252,802.16/401,928,851.51 = 157,290,707.13/x
  3. Step 3: Cross multiply
    291,252,802.16x = 401,928,851.51 × 157,290,707.13
  4. Step 4: Simplify right side
    291,252,802.16x = 63,219,673,269,170,216
  5. Step 5: Solve for x
    x = 63,219,673,269,170,216/291,252,802.16
  6. Step 6: Final answer
    x = 217,061,167.49

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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.