Home / 156,020,141.10-234,030,211.65-79,492,637.10

Finding the Fourth Proportional to 156,020,141.10, 234,030,211.65 and 79,492,637.10

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Solution

The fourth proportional to 156,020,141.10, 234,030,211.65 and 79,492,637.10 is: 119,238,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,020,141.10 : 234,030,211.65 = 79,492,637.10 : x
  2. Step 2: Convert to fraction form
    156,020,141.10/234,030,211.65 = 79,492,637.10/x
  3. Step 3: Cross multiply
    156,020,141.10x = 234,030,211.65 × 79,492,637.10
  4. Step 4: Simplify right side
    156,020,141.10x = 18,603,678,685,129,640
  5. Step 5: Solve for x
    x = 18,603,678,685,129,640/156,020,141.10
  6. Step 6: Final answer
    x = 119,238,955.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.