Home / 190,442,779.30-262,813,915.05-106,829,444.57

Finding the Fourth Proportional to 190,442,779.30, 262,813,915.05 and 106,829,444.57

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Solution

The fourth proportional to 190,442,779.30, 262,813,915.05 and 106,829,444.57 is: 147,426,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,442,779.30 : 262,813,915.05 = 106,829,444.57 : x
  2. Step 2: Convert to fraction form
    190,442,779.30/262,813,915.05 = 106,829,444.57/x
  3. Step 3: Cross multiply
    190,442,779.30x = 262,813,915.05 × 106,829,444.57
  4. Step 4: Simplify right side
    190,442,779.30x = 28,076,264,570,058,664
  5. Step 5: Solve for x
    x = 28,076,264,570,058,664/190,442,779.30
  6. Step 6: Final answer
    x = 147,426,248.84

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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.