Home / 100,710,007.60-151,065,011.40-52,834,730.80

Finding the Fourth Proportional to 100,710,007.60, 151,065,011.40 and 52,834,730.80

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Solution

The fourth proportional to 100,710,007.60, 151,065,011.40 and 52,834,730.80 is: 79,252,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,710,007.60 : 151,065,011.40 = 52,834,730.80 : x
  2. Step 2: Convert to fraction form
    100,710,007.60/151,065,011.40 = 52,834,730.80/x
  3. Step 3: Cross multiply
    100,710,007.60x = 151,065,011.40 × 52,834,730.80
  4. Step 4: Simplify right side
    100,710,007.60x = 7,981,479,210,617,931
  5. Step 5: Solve for x
    x = 7,981,479,210,617,931/100,710,007.60
  6. Step 6: Final answer
    x = 79,252,096.20

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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.