Home / 145,430,722.80-200,767,124.16-90,444,294

Finding the Fourth Proportional to 145,430,722.80, 200,767,124.16 and 90,444,294

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Solution

The fourth proportional to 145,430,722.80, 200,767,124.16 and 90,444,294 is: 124,858,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,430,722.80 : 200,767,124.16 = 90,444,294 : x
  2. Step 2: Convert to fraction form
    145,430,722.80/200,767,124.16 = 90,444,294/x
  3. Step 3: Cross multiply
    145,430,722.80x = 200,767,124.16 × 90,444,294
  4. Step 4: Simplify right side
    145,430,722.80x = 18,158,240,803,061,544
  5. Step 5: Solve for x
    x = 18,158,240,803,061,544/145,430,722.80
  6. Step 6: Final answer
    x = 124,858,354.92

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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.