Home / 140,316,726,942.40-210,487,463,681.95-39,588,475,971.65

Finding the Fourth Proportional to 140,316,726,942.40, 210,487,463,681.95 and 39,588,475,971.65

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Solution

The fourth proportional to 140,316,726,942.40, 210,487,463,681.95 and 39,588,475,971.65 is: 59,386,204,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,316,726,942.40 : 210,487,463,681.95 = 39,588,475,971.65 : x
  2. Step 2: Convert to fraction form
    140,316,726,942.40/210,487,463,681.95 = 39,588,475,971.65/x
  3. Step 3: Cross multiply
    140,316,726,942.40x = 210,487,463,681.95 × 39,588,475,971.65
  4. Step 4: Simplify right side
    140,316,726,942.40x = 8,332,877,898,305,377,402,880
  5. Step 5: Solve for x
    x = 8,332,877,898,305,377,402,880/140,316,726,942.40
  6. Step 6: Final answer
    x = 59,386,204,908.60

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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.