Home / 160,357,203.76-221,292,941.28-87,018,345.76

Finding the Fourth Proportional to 160,357,203.76, 221,292,941.28 and 87,018,345.76

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Solution

The fourth proportional to 160,357,203.76, 221,292,941.28 and 87,018,345.76 is: 120,085,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,357,203.76 : 221,292,941.28 = 87,018,345.76 : x
  2. Step 2: Convert to fraction form
    160,357,203.76/221,292,941.28 = 87,018,345.76/x
  3. Step 3: Cross multiply
    160,357,203.76x = 221,292,941.28 × 87,018,345.76
  4. Step 4: Simplify right side
    160,357,203.76x = 19,256,545,678,550,420
  5. Step 5: Solve for x
    x = 19,256,545,678,550,420/160,357,203.76
  6. Step 6: Final answer
    x = 120,085,317.20

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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.