Home / 157,077,172.46-216,768,003.93-86,514,382.40

Finding the Fourth Proportional to 157,077,172.46, 216,768,003.93 and 86,514,382.40

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Solution

The fourth proportional to 157,077,172.46, 216,768,003.93 and 86,514,382.40 is: 119,390,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,077,172.46 : 216,768,003.93 = 86,514,382.40 : x
  2. Step 2: Convert to fraction form
    157,077,172.46/216,768,003.93 = 86,514,382.40/x
  3. Step 3: Cross multiply
    157,077,172.46x = 216,768,003.93 × 86,514,382.40
  4. Step 4: Simplify right side
    157,077,172.46x = 18,753,549,984,084,724
  5. Step 5: Solve for x
    x = 18,753,549,984,084,724/157,077,172.46
  6. Step 6: Final answer
    x = 119,390,677.15

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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.