Home / 145,678,479.66-218,673,276.70-62,721,314.58

Finding the Fourth Proportional to 145,678,479.66, 218,673,276.70 and 62,721,314.58

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Solution

The fourth proportional to 145,678,479.66, 218,673,276.70 and 62,721,314.58 is: 94,148,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,678,479.66 : 218,673,276.70 = 62,721,314.58 : x
  2. Step 2: Convert to fraction form
    145,678,479.66/218,673,276.70 = 62,721,314.58/x
  3. Step 3: Cross multiply
    145,678,479.66x = 218,673,276.70 × 62,721,314.58
  4. Step 4: Simplify right side
    145,678,479.66x = 13,715,475,377,983,280
  5. Step 5: Solve for x
    x = 13,715,475,377,983,280/145,678,479.66
  6. Step 6: Final answer
    x = 94,148,946.43

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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.