Home / 152,368,931.24-210,262,087.62-86,289,902.36

Finding the Fourth Proportional to 152,368,931.24, 210,262,087.62 and 86,289,902.36

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Solution

The fourth proportional to 152,368,931.24, 210,262,087.62 and 86,289,902.36 is: 119,076,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,368,931.24 : 210,262,087.62 = 86,289,902.36 : x
  2. Step 2: Convert to fraction form
    152,368,931.24/210,262,087.62 = 86,289,902.36/x
  3. Step 3: Cross multiply
    152,368,931.24x = 210,262,087.62 × 86,289,902.36
  4. Step 4: Simplify right side
    152,368,931.24x = 18,143,495,010,739,564
  5. Step 5: Solve for x
    x = 18,143,495,010,739,564/152,368,931.24
  6. Step 6: Final answer
    x = 119,076,079.77

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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.