Home / 111,462,762.07-153,818,970.95-61,903,135.74

Finding the Fourth Proportional to 111,462,762.07, 153,818,970.95 and 61,903,135.74

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Solution

The fourth proportional to 111,462,762.07, 153,818,970.95 and 61,903,135.74 is: 85,426,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,462,762.07 : 153,818,970.95 = 61,903,135.74 : x
  2. Step 2: Convert to fraction form
    111,462,762.07/153,818,970.95 = 61,903,135.74/x
  3. Step 3: Cross multiply
    111,462,762.07x = 153,818,970.95 × 61,903,135.74
  4. Step 4: Simplify right side
    111,462,762.07x = 9,521,876,637,795,450
  5. Step 5: Solve for x
    x = 9,521,876,637,795,450/111,462,762.07
  6. Step 6: Final answer
    x = 85,426,526.86

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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.