Home / 191,870,157.12-287,740,790.28-62,447,330.40

Finding the Fourth Proportional to 191,870,157.12, 287,740,790.28 and 62,447,330.40

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Solution

The fourth proportional to 191,870,157.12, 287,740,790.28 and 62,447,330.40 is: 93,650,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,870,157.12 : 287,740,790.28 = 62,447,330.40 : x
  2. Step 2: Convert to fraction form
    191,870,157.12/287,740,790.28 = 62,447,330.40/x
  3. Step 3: Cross multiply
    191,870,157.12x = 287,740,790.28 × 62,447,330.40
  4. Step 4: Simplify right side
    191,870,157.12x = 17,968,644,200,172,266
  5. Step 5: Solve for x
    x = 17,968,644,200,172,266/191,870,157.12
  6. Step 6: Final answer
    x = 93,650,020.77

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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.