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Finding the Fourth Proportional to 160,337,411.70, 240,506,117.55 and 79,715,843.70

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Solution

The fourth proportional to 160,337,411.70, 240,506,117.55 and 79,715,843.70 is: 119,573,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,337,411.70 : 240,506,117.55 = 79,715,843.70 : x
  2. Step 2: Convert to fraction form
    160,337,411.70/240,506,117.55 = 79,715,843.70/x
  3. Step 3: Cross multiply
    160,337,411.70x = 240,506,117.55 × 79,715,843.70
  4. Step 4: Simplify right side
    160,337,411.70x = 19,172,148,075,509,628
  5. Step 5: Solve for x
    x = 19,172,148,075,509,628/160,337,411.70
  6. Step 6: Final answer
    x = 119,573,765.55

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1.5x scale

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.