Home / 156,666,547.50-216,330,360.03-130,697,191.50

Finding the Fourth Proportional to 156,666,547.50, 216,330,360.03 and 130,697,191.50

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Solution

The fourth proportional to 156,666,547.50, 216,330,360.03 and 130,697,191.50 is: 180,471,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,666,547.50 : 216,330,360.03 = 130,697,191.50 : x
  2. Step 2: Convert to fraction form
    156,666,547.50/216,330,360.03 = 130,697,191.50/x
  3. Step 3: Cross multiply
    156,666,547.50x = 216,330,360.03 × 130,697,191.50
  4. Step 4: Simplify right side
    156,666,547.50x = 28,273,770,492,104,856
  5. Step 5: Solve for x
    x = 28,273,770,492,104,856/156,666,547.50
  6. Step 6: Final answer
    x = 180,471,012.75

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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.