Home / 282,674,701.51-390,085,494.22-157,224,198.87

Finding the Fourth Proportional to 282,674,701.51, 390,085,494.22 and 157,224,198.87

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Solution

The fourth proportional to 282,674,701.51, 390,085,494.22 and 157,224,198.87 is: 216,966,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,674,701.51 : 390,085,494.22 = 157,224,198.87 : x
  2. Step 2: Convert to fraction form
    282,674,701.51/390,085,494.22 = 157,224,198.87/x
  3. Step 3: Cross multiply
    282,674,701.51x = 390,085,494.22 × 157,224,198.87
  4. Step 4: Simplify right side
    282,674,701.51x = 61,330,879,319,547,520
  5. Step 5: Solve for x
    x = 61,330,879,319,547,520/282,674,701.51
  6. Step 6: Final answer
    x = 216,966,283.12

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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.