Home / 191,670,767.40-287,506,151.10-122,796,013.80

Finding the Fourth Proportional to 191,670,767.40, 287,506,151.10 and 122,796,013.80

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Solution

The fourth proportional to 191,670,767.40, 287,506,151.10 and 122,796,013.80 is: 184,194,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,670,767.40 : 287,506,151.10 = 122,796,013.80 : x
  2. Step 2: Convert to fraction form
    191,670,767.40/287,506,151.10 = 122,796,013.80/x
  3. Step 3: Cross multiply
    191,670,767.40x = 287,506,151.10 × 122,796,013.80
  4. Step 4: Simplify right side
    191,670,767.40x = 35,304,609,298,060,488
  5. Step 5: Solve for x
    x = 35,304,609,298,060,488/191,670,767.40
  6. Step 6: Final answer
    x = 184,194,020.70

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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.