Home / 156,686,458.90-235,106,929.95-70,485,870.10

Finding the Fourth Proportional to 156,686,458.90, 235,106,929.95 and 70,485,870.10

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Solution

The fourth proportional to 156,686,458.90, 235,106,929.95 and 70,485,870.10 is: 105,763,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,686,458.90 : 235,106,929.95 = 70,485,870.10 : x
  2. Step 2: Convert to fraction form
    156,686,458.90/235,106,929.95 = 70,485,870.10/x
  3. Step 3: Cross multiply
    156,686,458.90x = 235,106,929.95 × 70,485,870.10
  4. Step 4: Simplify right side
    156,686,458.90x = 16,571,716,524,065,498
  5. Step 5: Solve for x
    x = 16,571,716,524,065,498/156,686,458.90
  6. Step 6: Final answer
    x = 105,763,552.51

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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.